CN203614095U - Cement sheath cementing strength evaluation device - Google Patents
Cement sheath cementing strength evaluation device Download PDFInfo
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- CN203614095U CN203614095U CN201320858455.8U CN201320858455U CN203614095U CN 203614095 U CN203614095 U CN 203614095U CN 201320858455 U CN201320858455 U CN 201320858455U CN 203614095 U CN203614095 U CN 203614095U
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Abstract
The utility model discloses a cement sheath cementing strength evaluation device, mainly comprising a kettle cover (1) integrated with an electrically controlled stirrer, a maintenance kettle cover (7) matched with a thermoelectric couple to use, a kettle body (2), a rock core (4), a drilling fluid storage tank (29), a flushing liquid storage tank (35) and a pipeline system. The cement sheath cementing strength evaluation device is characterized in that the kettle body (2) is in threaded connection with the kettle cover (1) or (7) and is connected with the drilling fluid storage tank (29), the flushing liquid storage tank (35), a nitrogen source (11), an air source (12) and a water source (13) through a pipeline and valve system. Compared with the existing typical cementing strength measuring device, the cement sheath cementing strength evaluation device disclosed by the utility model has the beneficial effects that when the cementing performance is evaluated, a forming and flushing process of a wall surface mud cake of a stratum rock core or an artificial rock core is simulated, and the situation that cement rocks and two interfaces are cemented at the same time is simulated, so that the field practical situation is greatly matched, and reference is provided for determination in the reasonable field construction solution.
Description
Technical field
The utility model relates to a kind of Simulation evaluation oil well cement ring cementing strength evaluating apparatus in petroleum works material tests technical field.
Background technology
After cementing completes, the quality of cement sheath and two interface agglutination states has great impact to cementing quality.At present, the influence factor of interface cementing strength is comparatively clear and definite, the developing result to filter cake while mainly containing filter cake that strata pressure, formation water seepage flow, formation lithology, Behavior of Hardened Cement Paste self performance, drilling fluid form on stratum and well cementation etc.But the power of the size of the cementing strength at interface and cement sheath and the anti-channelling ability of formation cementation face cannot directly be measured in down-hole.
Summary of the invention
The purpose of this utility model is the blank for prior art, for the bonding quality of evaluating between cement sheath and stratum or sleeve pipe proposes a kind of cement sheath cementing strength evaluating apparatus.
The technical solution of the utility model is as follows:
A kind of cement sheath cementing strength evaluating apparatus, pass through gas by autoclave pressure system and peripheral control system two parts, liquid pipeline connects to form, wherein: autoclave pressure system comprises autoclave pressure and core, rock core fastener, analog casing, autoclave pressure comprises open-topped kettle, with the autoclave pressure top open part airtight kettle cover and the maintenance kettle cover that coordinate of being connected respectively, wherein kettle cover is provided with automatically controlled agitator, the stirrer paddle that automatically controlled agitator bottom connects extends axially to autoclave body bottom, curing autoclave cover strip has thermocouple, at kettle base and sidepiece, the turnover mouth of pipe is set respectively, kettle base is prefabricated with circular groove along axle center, the turnover mouth of pipe that circular groove and base arrange connects, rock core fastener top is with a round tray, round tray neighboring is connected with analog casing, fixing core in the middle of rock core fastener, rock core fastener bottom is and the undergauge boss coordinating of pegging graft of the circular groove on kettle base, in the middle of boss, be provided with the through hole being communicated between core and the kettle base turnover mouth of pipe, analog casing is enclosed within the core part of round tray top, top is provided with end cover, end cover is provided with through hole between two parties, after end cover neighboring is connected with round tray by connector by tightly clamping to analog casing and core, and between core and analog casing, form cement paste Hou Ning chamber, peripheral control system comprises drilling fluid fluid reservoir, flushing liquor fluid reservoir, source nitrogen, air-source, water source and is connected to pipeline, pump and valve therebetween.
Such scheme further comprises:
In described peripheral control system, source nitrogen is connected with gas high-pressure pump, accumulator, pressure regulator valve, pipeline after pressure regulator valve divides again two branch roads, branch road one is connected with outlet valve with the kettle top turnover mouth of pipe by high pressure admission valve, and branch road two is by the rock core fastener bottom of has channeling valve access kettle base; Water source is through after water intaking valve, a part connects the kettle top turnover mouth of pipe and liquid storage spill valve by liquid high-pressure pumps, isolating valve, another part only connects accumulator, pressure release joint and pressure release pump, and some accesses bottom the rock core fastener of kettle base after accumulator and liquid are altered valve; Air-source is divided into four branch roads after air pressure-adjusting valve, branch road one is linked into the pipeline at gas high-pressure pump place through gas pressure charging valve, and then be connected with aforementioned source nitrogen pipeline, branch road two is linked into the pipeline at liquid high-pressure pumps place through liquid pressure charging valve, and then be connected with aforesaid water source 13 pipelines, branch road three is linked into the pipeline between water intaking valve and liquid high-pressure pumps through air to still valve, and then be connected with water source 13 pipelines, branch road four and drilling fluid fluid reservoir, flushing liquor fluid reservoir, three way cock are connected to the turnover mouth of pipe of kettle bottom.
Kettle is cylinder type, kettle all adopts and is threaded with kettle cover and maintenance kettle cover, the circular groove edge of autoclave body bottom is connected with 3 little grooves that become 120 ° of angles, in the middle of circular groove, also embed with one heart the smaller groove of diameter, 3 buckles of rock core fastener middle and lower part edge distribution, size is corresponding one by one with three little grooves of kettle base, and rock core fastener lower end is fixed.
Rock core fastener top is a steel round tray, has 3 steel fasteners above round tray, becomes 120 ° of angles to distribute, and is connected round tray outward flange 6 screwed holes that distribute symmetrically with analog casing bottom; Analog casing is a hollow copper tubing, and analog casing top seal end cap is connected with the screwed hole of round tray tightly clamping to analog casing and core by screw rod.
The diameter of stirring blade is identical with core diameter, withstands on above core.
In this device, also comprise strength test servo testing machine.
The beneficial effects of the utility model are:
This device can be simulated the core dynamic formation of drilling fluid mud cake around, evaluate the developing result of flushing liquor to mud cake, between Simulated Water mud and stratum core, artificial cores or analog casing, under HTHP maintenance, form the process of cement sheath, and measure the cementing strength of cement sheath and stratum core, artificial cores or two cementation interfaces of analog casing, for the bonding capacity of evaluating between cement sheath and stratum or sleeve pipe provides necessary experiment basis.In addition, this device is simple to operate easy to learn.A kind of device of evaluating cement sheath bonding capacity.
Accompanying drawing explanation
Fig. 1 is the kettle internal cross section figure of cement sheath cementing strength evaluating apparatus simulation mud cake formation or the state of flushing;
Fig. 2 is the kettle internal cross section figure of the injection of cement sheath cementing strength evaluating apparatus Simulated Water mud and maintenance state;
Fig. 3 is the pipeline schematic diagram of cement sheath cementing strength evaluating apparatus.
In figure, the kettle cover 1 being integrated with automatically controlled agitator, kettle 2, stirring blade 3, core 4, rock core fastener 5, base 6, the maintenance kettle cover 7 being used in conjunction with thermocouple, cement paste Hou Ning chamber 8, analog casing 9, end cover 10, source nitrogen 11, air-source 12, water source 13, air pressure-adjusting valve 14, air is to still 15, gas pressure charging valve 16, gas high-pressure pump 17, accumulator 18, liquid high-pressure pumps 19, pressure regulator valve 20, high pressure admission valve 21, kettle shell 22, isolating valve 23, liquid storage spill valve 24, pressure release pump 25, pressure release joint stops 26, water intaking valve 27, accumulator 28, drilling fluid fluid reservoir 29, three way cock 30, outlet valve 31, liquid is altered valve 32, dehydration valve 33, has channeling valve 34, flushing liquor fluid reservoir 35, liquid pressure charging valve 36, high pressure relief valve 37.
The specific embodiment
Below in conjunction with specification drawings and specific embodiments, the utility model is further described:
Autoclave pressure kettle is cylinder type, and autoclave body bottom has center to have circular groove, and recess edge is connected with 3 little grooves that become 120 ° of angles, also embeds with one heart the smaller groove of diameter in the middle of circular groove, plays the effect of fixing rock core fastener.
Consider special tectonic and the better fixing core of autoclave pressure kettle base, made specially rock core fastener.Rock core fastener is divided into three layers, and top is a steel round tray, has 3 steel fasteners above round tray, becomes 120 ° of angles to distribute, and plays the effect of fixed-analog sleeve pipe, pallet outward flange 3 screwed holes that distribute symmetrically; Middle part is the steel cylinder that external diameter is less than upper circular pallet, 3 buckles of this cylinder lower limb distribution, and size is corresponding one by one with three little grooves of autoclave pressure kettle base; Bottom is connected with the steel cylinder that external diameter is less (being the boss in technical scheme) between two parties, and centre has aperture to run through, and three parts are concentric structure, are placed in autoclave body bottom.
In the dynamic formation and flushing process of simulation drilling fluid mud cake, for simulating the developing result under any reasonable flushing speed, this device has configured the automatically controlled agitator of electrodeless variable-speed.Flow field, core top is interfered when avoiding fluid agitation, makes specially a cylinder equating with core diameter and is placed in above core, and the stirring blade of automatically controlled agitator is pushed up on cylinder.
For evaluate the bonding capacity of cement paste and core, sleeve pipe simultaneously, on described rock core fastener top circular pallet, can fix a torus and characterize analog casing, and then the top circular pallet of core holding unit, be built on rock core fastener core and fixing analog casing between two parties and just form cement paste and wait solidifying chamber.This runner meets the geometric similarity with on-the-spot actual borehole size, can meet the requirement of the actual well radius variations of simulated field, formation characteristics.
For can safety, stable, uniformly to autoclave pressure pressurization, this device has configured pneumatic hydraulic system, total nitrogen, water, three kinds of fluid media (medium)s of air in this system.
For formation, flushing and the cement paste of multi-functional realization simulation drilling fluid mud cake inject and maintenance, this device disposes different autoclave pressure kettle covers, and a kind of is the kettle cover being integrated with automatically controlled agitator, and another kind of is the kettle cover being used in conjunction with thermocouple.
1. in pair cement sheath cementing strength evaluating apparatus, the main internal construction of kettle 2 describes:
Simulation mud cake as shown in Figure 1 forms and flushing state, in the middle of core holding unit 5, fixes core 4, and stirring blade 3 tops are connected with the kettle cover 1 being integrated with automatically controlled agitator, for stirring drilling fluid and flushing liquor.
Simulated Water mud as shown in Figure 2 injects and maintenance state, fixing core 4 in the middle of rock core fastener 5, and rock core fastener 5 top fixed-analog sleeve pipes 9, analog casing 9 is a hollow copper tubing.Analog casing 9 is connected with again seal cover 10 above, and seal cover 10 has aperture and seal cover 10 edges to be uniformly distributed 6 screwed holes between two parties.Seal cover 10 and rock core fastener 5, by 6 steel screw rods, are tightly clipped together analog casing 9 and core 4, and are formed cement paste Hou Ning chamber 8.
2. in pair cement sheath cementing strength evaluating apparatus, pipe-line system connection describes:
As shown in Figure 3, in cement sheath cementing strength evaluating apparatus, pipe-line system is mainly started with from source nitrogen 11, water source 13,12 3 tops of air-source, three both separate connecting each other of pipeline that draw in source, and next coming in order are introduced and illustrate.
1) the pipeline connection that source nitrogen 11 is drawn is as described below:
Source nitrogen 11 is connected with gas high-pressure pump 17, accumulator 18, pressure regulator valve 20, and the pipeline after pressure regulator valve 20 divides again two branch roads.1. a part is connected with outlet valve 31 with kettle 2 by high pressure admission valve 21; 2. another part accesses rock core fastener 5 bottoms of kettle 2 lower ends by has channeling valve 34.
1. the function of the branch road of part is with simulation wellbore hole pressure to the interior supercharging of kettle 2; 2. the branch road of part is to packing core 4 internal pressurization in rock core fastener 5 into the simulated formation fluid pressure of (mainly referring to gas), and this part is just just used in the time doing has channeling experiment, when other are tested, generally has channeling valve 34 cuts out.
Accumulator 18 in pipeline is stored the nitrogen of carrying from source nitrogen 11, characterizes the pressure of source nitrogen 11.Gas high-pressure pump 17, the supercharging air of input from air-source 12, then injects high pressure gas accumulator 18 to improve the operating pressure of accumulator 18.Pressure regulator valve 20 is controlled and in accumulator 18, is outputed to the gas pressure size in kettle 2.
2) the pipeline connection that draw at water source 12 is as described below:
Water flows into kettle 2 through water intaking valve 27, liquid high-pressure pumps 19, isolating valve 23.Air-source 12 accesses liquid high-pressure pumps 19 through liquid pressure charging valve 36, its objective is and forms high hydraulic pressure.In the time opening isolating valve 23, High-Pressure Water enters into kettle 2 and realizes to kettle 2 superchargings.
Accumulator 28 is arranged on the pipeline between liquid high-pressure pumps 19, isolating valve 23, after accumulator 28, alter valve 32 and access rock core fastener 5 bottoms of kettle 2 lower ends by liquid, to core 4 internal pressurization that are contained in rock core fastener 5, with simulated formation fluid (mainly referring to oil or water) pressure.
Pressure release stop valve 26 and pressure release pump 25 are arranged on accumulator 28 and liquid is altered the pipeline between valve 32.In experimentation, open pressure release stop valve 26, pressure release pump 25 just accesses pipeline and starts working, the hydraulic pressure in kettle 2 higher than arrange experimental pressure time can automatically release hydraulic pressure in part kettle 2 and make it equal the experimental pressure arranging.
3) the pipeline connection that air-source 12 is drawn is as described below:
Air-source 12 has four paths after air pressure-adjusting valve 14:
1. a part is linked into the pipeline at gas high-pressure pump 17 places through gas pressure charging valve 16, and then is connected with foregoing source nitrogen 11 pipelines.The object of this part be when the nitrogen pressure in foregoing accumulator 18 inadequate and can not meet requirement of experiment time, by gas high-pressure pump 17, pressure-air is injected in accumulator 18 to improve the pressure in accumulator 18.
2. a part is linked into the pipeline at liquid high-pressure pumps 19 places through liquid pressure charging valve 36, and then is connected with foregoing water source 13 pipelines.
3. a part is linked into the pipeline between water intaking valve 27 and liquid high-pressure pumps 19 through air to still valve 15, and then is connected with water source 13 pipelines.Air to the object of still valve 15 is that the fluid in kettle 2 is pumped to kettle 2.
4. a part is communicated with drilling fluid fluid reservoir 29, flushing liquor fluid reservoir 35, three way cock 30, kettle 2.This part is by air pressure, drilling fluid or the flushing liquor of storage in drilling fluid fluid reservoir 29 or flushing liquor fluid reservoir 35 to be pumped in kettle 2.High pressure relief valve 37 accesses a branch road of three way cock 30, in order to discharge the hydraulic pressure in kettle 2.
3. the concrete use procedure of pair cement sheath cementing strength evaluating apparatus describes:
1) first, introduce the operating process that simulation drilling fluid mud cake forms:
A. before testing, first drill through test core 4 with core processing and auger, pack ready test into rock core fastener 5 with core 4, put into kettle 2, cover the kettle cover 1 being integrated with automatically controlled agitator.
B. pre-configured drilling fluid is packed in drilling fluid fluid reservoir 29, open air-source 12, three way cock 30 and liquid storage spill valve 24, and close liquid pressure charging valve 36, isolating valve 23, outlet valve 31, by regulating air pressure-adjusting valve (14) to regulate admission pressure, the object of this operation is that the drilling fluid in drilling fluid fluid reservoir 29 is pumped in kettle 2.
C. drilling fluid to be had overflows pipeline and overflows and show to be full of drilling fluid in kettle 2 from liquid storage, then closes liquid storage spill valve 24, three way cock 30.
D. and then, to the interior supercharging of kettle 2, now need to open source nitrogen 11, high pressure admission valve 21, by regulating pressure regulator valve 20 that the part nitrogen pressure in accumulator 18 is delivered in kettle 2, until be pressurized to definite experimental pressure.
E. while being difficult to meet pressure demand when the pressure in source nitrogen 11 is inadequate, first to improve the pressure in accumulator 18, now should open air-source 12, gas pressure charging valve 16, to supercharging in accumulator 18, then adopt the same method to the interior supercharging of kettle 2 by gas high-pressure pump 17.
F., temperature program(me) in kettle 2 and speed of agitator and the time of automatically controlled agitator are set, opening program, open automatically controlled whip switch, under automatically controlled agitator effect, stir drilling fluid, moving leak-off process (moving leak-off is that the time of going through in wellbore liquid leaching loss process is the longest) in whipping process simulation well in circulation of drilling fluid situation, has guaranteed the uniformity that mud cake forms simultaneously to a certain extent.Under pressure-acting in kettle 2, the Free water in drilling fluid is permeated in the hole with core 4 to test, and forms mud cake at core 4 walls.
2) secondly, introduce the operating process that simulation drilling fluid mud cake rinses:
A. before simulating mud cake flushing process, first to pump the drilling fluid in kettle 2, first to discharge the pressure in kettle 2 for this reason, this process is followed successively by program and the whip switch of closing operation, close high pressure admission valve 21, open outlet valve 31, after the pressure in kettle 2 discharges completely, close again outlet valve 31.
B. open air-source 12, three way cock 30, isolating valve 23, air to still 15 in whole the drilling fluid in kettle 2 blowback drilling fluid fluid reservoirs 29.After drilling fluid is by whole blowback drilling fluid fluid reservoirs 29, then close air-source 12, air to still 15, isolating valve 23.
C. the flushing liquor preparing is packed in flushing liquor fluid reservoir 35.Then adopt with 1) described method by drilling fluid pump into kettle 2, to the interior supercharging of kettle 2 and editor's experimental arrangement etc.The flushing liquor type pumping into is determined according to scene fluid used, need to set different flushing speed, washing time according to scene.The pressure flush of heating, the developing result of flushing liquor to mud cake under simulation well.
3) again, introduce the operating process of the injection of Simulated Water mud and maintenance:
A. simulating 1) and 2) after described process, pump in an identical manner flushing liquor, and take out rock core fastener 5.
B., analog casing 9 is installed on rock core fastener 5, and the cement paste Hou Ning chamber 8 interior grout injections that form to analog casing 9 and core 4, cover seal cover 10, and put it in kettle 2, then cover the maintenance kettle cover 7 being used in conjunction with thermocouple.
C. to the interior filling curing fluid capable of kettle 2, the curing fluid capable of annotating in this experimental facilities is water.The process of filling curing fluid capable is: open water source 13, water intaking valve 27, isolating valve 23, liquid storage spill valve 24.Liquid storage shows that the curing fluid capable in kettle 2 adds and fills, and then closes liquid storage spill valve 24 when overflowing and flowing out curing fluid capable in pipeline.
D. to the interior supercharging of kettle 2, supercharging mode is different from the supercharging mode of simulating in mud cake formation and flushing process above.Simulation mud cake form and flushing process in be air pressure and be herein hydraulic pressure to what add in kettle 2 to what add in kettle 2.Supercharging detailed process is: close high pressure admission valve 21, outlet valve 31, open air-source 12, isolating valve 23, liquid pressure charging valve 36, be pressurized to experimental pressure through liquid high-pressure pumps 19 in still.
E., temperature and time program working procedure in kettle 2 are set, open water intaking valve 27, liquid supercharging 36, pressure release stop valve 26 and make it in automatic position, so that according to the actual pressure in kettle 2 and Automatic-boosting or ftercompction.
F. after certain length of time is arrived in cement paste maintenance, take out rock core fastener 5 and core 4.In this process, still will first discharge the pressure in kettle 2, detailed process is: bolt down procedure, water intaking valve 27, liquid supercharging 36, pressure release stop valve 26, open three way cock 30, high pressure relief valve 37.
4) on strength test servo testing machine, extrude core, calculate thus the interface cementing strength of cement sheath.
Claims (6)
1. a cement sheath cementing strength evaluating apparatus, pass through gas by autoclave pressure system and peripheral control system two parts, liquid pipeline connects to form, it is characterized in that: autoclave pressure system comprises autoclave pressure and core, rock core fastener, analog casing, autoclave pressure comprises open-topped kettle, with the autoclave pressure top open part airtight kettle cover and the maintenance kettle cover that coordinate of being connected respectively, wherein kettle cover is provided with automatically controlled agitator, the stirrer paddle that automatically controlled agitator bottom connects extends axially to autoclave body bottom, curing autoclave cover strip has thermocouple, at kettle base and sidepiece, the turnover mouth of pipe is set respectively, kettle base is prefabricated with circular groove along axle center, the turnover mouth of pipe that circular groove and base arrange connects, rock core fastener top is with a round tray, round tray neighboring is connected with analog casing, fixing core in the middle of rock core fastener, rock core fastener bottom is and the undergauge boss coordinating of pegging graft of the circular groove on kettle base, in the middle of boss, be provided with the through hole being communicated between core and the kettle base turnover mouth of pipe, analog casing is enclosed within the core part of round tray top, top is provided with end cover, end cover is provided with through hole between two parties, after end cover neighboring is connected with round tray by connector by tightly clamping to analog casing and core, and between core and analog casing, form cement paste Hou Ning chamber, peripheral control system comprises drilling fluid fluid reservoir, flushing liquor fluid reservoir, source nitrogen, air-source, water source and is connected to pipeline, pump and valve therebetween.
2. cement sheath cementing strength evaluating apparatus as claimed in claim 1, it is characterized in that: in described peripheral control system, source nitrogen is connected with gas high-pressure pump, accumulator, pressure regulator valve, pipeline after pressure regulator valve divides again two branch roads, branch road one is connected with outlet valve with the kettle top turnover mouth of pipe by high pressure admission valve, and branch road two is by the rock core fastener bottom of has channeling valve access kettle base; Water source is through after water intaking valve, a part connects the kettle top turnover mouth of pipe and liquid storage spill valve by liquid high-pressure pumps, isolating valve, another part only connects accumulator, pressure release joint and pressure release pump, and some accesses bottom the rock core fastener of kettle base after accumulator and liquid are altered valve; Air-source is divided into four branch roads after air pressure-adjusting valve, branch road one is linked into the pipeline at gas high-pressure pump place through gas pressure charging valve, and then be connected with aforementioned source nitrogen pipeline, branch road two is linked into the pipeline at liquid high-pressure pumps place through liquid pressure charging valve, and then be connected with aforesaid water source 13 pipelines, branch road three is linked into the pipeline between water intaking valve and liquid high-pressure pumps through air to still valve, and then be connected with water source 13 pipelines, branch road four and drilling fluid fluid reservoir, flushing liquor fluid reservoir, three way cock are connected to the turnover mouth of pipe of kettle bottom.
3. the cement sheath cementing strength evaluating apparatus as described in claims 1 or 2, it is characterized in that: kettle is cylinder type, kettle all adopts and is threaded with kettle cover and maintenance kettle cover, the circular groove edge of autoclave body bottom is connected with 3 little grooves that become 120 ° of angles, in the middle of circular groove, also embed with one heart the smaller groove of diameter, 3 buckles of rock core fastener middle and lower part edge distribution, size is corresponding one by one with three little grooves of kettle base, and rock core fastener lower end is fixed.
4. cement sheath cementing strength evaluating apparatus as claimed in claim 3, it is characterized in that: rock core fastener top is a steel round tray, above round tray, there are 3 steel fasteners, become 120 ° of angles to distribute, be connected round tray outward flange 6 screwed holes that distribute symmetrically with analog casing bottom; Analog casing is a hollow copper tubing, and analog casing top seal end cap is connected with the screwed hole of round tray tightly clamping to analog casing and core by screw rod.
5. cement sheath cementing strength evaluating apparatus as claimed in claim 4, is characterized in that: the diameter of stirring blade is identical with core diameter, withstands on above core.
6. cement sheath cementing strength evaluating apparatus as claimed in claim 5, is characterized in that: in this device, also comprise strength test servo testing machine.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201320858455.8U CN203614095U (en) | 2013-12-24 | 2013-12-24 | Cement sheath cementing strength evaluation device |
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| CN201320858455.8U CN203614095U (en) | 2013-12-24 | 2013-12-24 | Cement sheath cementing strength evaluation device |
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| CN203614095U true CN203614095U (en) | 2014-05-28 |
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| CN201320858455.8U Withdrawn - After Issue CN203614095U (en) | 2013-12-24 | 2013-12-24 | Cement sheath cementing strength evaluation device |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103278446A (en) * | 2013-04-25 | 2013-09-04 | 西南石油大学 | Method for analogue measuring cementing strength and anti-fluid channeling capacity of oil well cement |
| CN104727805A (en) * | 2013-12-24 | 2015-06-24 | 中国石油化工集团公司 | Apparatus for evaluating cementing strength of cement sheath |
| CN104792596A (en) * | 2015-04-24 | 2015-07-22 | 西南石油大学 | Dynamic mud cake forming device of drilling fluid and experimental method of dynamic mud cake forming device |
| CN104500034B (en) * | 2014-12-29 | 2017-04-12 | 西南石油大学 | Device and method for evaluating influence of pressure change on completeness of cement sheath |
| CN107725030A (en) * | 2017-11-20 | 2018-02-23 | 中国石油大学(华东) | The lower well cementation second interface maintenance of stratum water disturbance and bonding quality evaluating apparatus and method |
| CN109342195A (en) * | 2018-11-01 | 2019-02-15 | 西南石油大学 | The cementing strength test method of the first cement plane of oil-well cement |
| CN114624278A (en) * | 2022-03-15 | 2022-06-14 | 中国地质大学（武汉） | Device and method for clamping shale oil rock core and simulating underground in-situ electric heating |
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2013
- 2013-12-24 CN CN201320858455.8U patent/CN203614095U/en not_active Withdrawn - After Issue
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103278446A (en) * | 2013-04-25 | 2013-09-04 | 西南石油大学 | Method for analogue measuring cementing strength and anti-fluid channeling capacity of oil well cement |
| CN103278446B (en) * | 2013-04-25 | 2015-04-08 | 西南石油大学 | Method for analogue measuring cementing strength and anti-fluid channeling capacity of oil well cement |
| CN104727805A (en) * | 2013-12-24 | 2015-06-24 | 中国石油化工集团公司 | Apparatus for evaluating cementing strength of cement sheath |
| CN104727805B (en) * | 2013-12-24 | 2018-05-22 | 中石化石油工程技术服务有限公司 | Cement sheath cementing strength evaluating apparatus |
| CN104500034B (en) * | 2014-12-29 | 2017-04-12 | 西南石油大学 | Device and method for evaluating influence of pressure change on completeness of cement sheath |
| CN104792596A (en) * | 2015-04-24 | 2015-07-22 | 西南石油大学 | Dynamic mud cake forming device of drilling fluid and experimental method of dynamic mud cake forming device |
| CN107725030A (en) * | 2017-11-20 | 2018-02-23 | 中国石油大学(华东) | The lower well cementation second interface maintenance of stratum water disturbance and bonding quality evaluating apparatus and method |
| CN107725030B (en) * | 2017-11-20 | 2023-05-26 | 中国石油大学(华东) | Device and method for evaluating two-interface maintenance and cementing quality of well cementation under disturbance of formation water |
| CN109342195A (en) * | 2018-11-01 | 2019-02-15 | 西南石油大学 | The cementing strength test method of the first cement plane of oil-well cement |
| CN109342195B (en) * | 2018-11-01 | 2021-02-19 | 西南石油大学 | Method for testing bonding strength of first bonding surface of oil well cement |
| CN114624278A (en) * | 2022-03-15 | 2022-06-14 | 中国地质大学（武汉） | Device and method for clamping shale oil rock core and simulating underground in-situ electric heating |
| CN114624278B (en) * | 2022-03-15 | 2024-05-28 | 中国地质大学（武汉） | Device and method for clamping shale oil core to simulate underground in-situ electric heating |
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