CN112012735B - Stratum pressure measurement sampling chamber while drilling - Google Patents
Stratum pressure measurement sampling chamber while drilling Download PDFInfo
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- CN112012735B CN112012735B CN202010936608.0A CN202010936608A CN112012735B CN 112012735 B CN112012735 B CN 112012735B CN 202010936608 A CN202010936608 A CN 202010936608A CN 112012735 B CN112012735 B CN 112012735B
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- ring
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- 238000005070 sampling Methods 0.000 title claims abstract description 21
- 238000005553 drilling Methods 0.000 title claims abstract description 19
- 238000009530 blood pressure measurement Methods 0.000 title claims abstract description 18
- 210000002445 nipple Anatomy 0.000 claims abstract description 35
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 21
- 238000006073 displacement reaction Methods 0.000 claims abstract description 17
- 238000007789 sealing Methods 0.000 claims description 19
- 241000283118 Halichoerus grypus Species 0.000 claims description 10
- 238000005259 measurement Methods 0.000 claims 1
- 239000012530 fluid Substances 0.000 abstract description 9
- 238000001514 detection method Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 6
- 238000005086 pumping Methods 0.000 description 6
- 239000002912 waste gas Substances 0.000 description 4
- 238000011084 recovery Methods 0.000 description 3
- 239000003921 oil Substances 0.000 description 2
- 239000000523 sample Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B49/00—Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells
- E21B49/08—Obtaining fluid samples or testing fluids, in boreholes or wells
- E21B49/081—Obtaining fluid samples or testing fluids, in boreholes or wells with down-hole means for trapping a fluid sample
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
- E21B47/06—Measuring temperature or pressure
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geophysics (AREA)
- Measuring Fluid Pressure (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The invention relates to the technical field of underground formation pressure detection, in particular to a formation pressure measurement sampling chamber while drilling, which comprises a suction nipple, an end cover, a mounting seat, a piston rod, a piston ring, a guide rod, a displacement sensor, a first plug and a second plug, wherein the axis of the suction nipple is arranged in a left-right direction, a left-right through hydraulic cavity is arranged at the lower part of the left side of the suction nipple, the hydraulic cavity comprises a first straight hole, a second straight hole and a third straight hole which are sequentially communicated from left to right and have sequentially reduced inner diameters, the piston rod with the left end positioned in the first straight hole is arranged in the second straight hole, and the piston ring is fixedly arranged at the outer side of the left end of the piston rod. The invention has reasonable and compact structure and convenient use, and the piston ring is stopped after moving leftwards for a set distance and then is started by arranging the displacement sensor, so that the invention realizes multiple equal volume swabbing; by arranging the second straight hole with the unchanged aperture, after the piston rod moves leftwards by equal distance, the volume of stratum fluid sucked by the second straight hole is unchanged, and the device has the characteristics of stability, high efficiency and accuracy.
Description
Technical Field
The invention relates to the technical field of underground formation pressure detection, in particular to a formation pressure measurement sampling chamber while drilling.
Background
Formation pressure is an important parameter in the drilling industry, and the formation pressure value is obtained by calculation of logging data after drilling by adopting conventional formation pressure value, so that the formation pressure cannot be obtained in real time. According to the stratum pressure test principle, the stratum pressure measurement basic actions are four actions of pushing the probe, pumping fluid, resetting the probe and discharging the fluid. Formation fluid is pumped to create pressure recovery, primarily by pumping the fluid, requiring the design of a sampling chamber for formation fluid pumping. Because the space of the underground instrument is limited, the sampling chamber is required to be small in size and compact in structure.
Disclosure of Invention
The invention provides a stratum pressure measurement sampling chamber while drilling, which overcomes the defects of the prior art and can effectively solve the problems of complex structure and large volume of the prior sampling chamber.
The technical scheme of the invention is realized by the following measures: the utility model provides a stratum pressure measurement sampling room while drilling includes suction nipple joint, the end cover, the mount pad, the piston rod, the piston ring, the guide bar, displacement sensor, first end cap and second end cap, the axis of suction nipple joint is left and right sides to setting up, suction nipple joint left side lower part is equipped with the hydraulic pressure chamber that link up about, the hydraulic pressure chamber includes from left to right communicates in proper order and internal diameter reduces in proper order first straight hole, second straight hole and third straight hole, be equipped with the piston rod that the left end is located first straight hole in the second straight hole, piston rod left end outside fixed mounting has the piston ring, be equipped with the first removal hole that link up about on the piston rod, piston rod right-hand member outside is equipped with the sealing ring platform, piston rod right-hand member inboard fixed mounting has first end cap; a displacement sensor capable of detecting the position of the piston ring is arranged in the suction nipple; the outer side of the middle part of the suction nipple is provided with a through hole which can be communicated with the second straight hole, the inner side of the outer end of the through hole is fixedly provided with a second plug, and the upper part of the left side of the suction nipple is provided with a hydraulic hole which can be communicated with the through hole; the left side of the suction nipple is provided with an end cover, the end cover corresponding to the position of the hydraulic hole is provided with an upper mounting hole which is penetrated left and right, the end cover corresponding to the position of the first straight hole is provided with a lower mounting hole which is penetrated left and right, a mounting seat is fixedly mounted in the lower mounting hole, the center of the left side of the mounting seat is provided with a mounting hole which is penetrated left and right, at least two circulating holes which are penetrated left and right are distributed along the circumference of the left side of the mounting seat corresponding to the position of the outer side of the mounting hole, the right end of the guide rod is positioned in the first moving hole in a fixed manner in the mounting hole, and the guide rod is provided with a second moving hole which is penetrated left and right.
The following are further optimizations and/or improvements to the above-described inventive solution:
the left end of the first plug can be fixedly provided with a displacement sensor of which the left end is positioned in the second moving hole.
The guide rod can also comprise a return spring, and the return spring is arranged at the outer side of the left part of the guide rod corresponding to the position between the mounting seat and the piston ring.
The hydraulic device can also comprise a connector and an O-shaped sealing ring, wherein the connector with the right end positioned in the hydraulic hole is arranged on the inner side of the right end of the upper mounting hole; at least one O-shaped sealing ring is arranged at the left-right interval between the end cover and the connector, and at least one O-shaped sealing ring is arranged at the left-right interval between the suction nipple and the connector.
The fixing device can further comprise fixing jackscrews, four circulation holes are uniformly distributed on the left side of the mounting seat along the circumference, fixing holes which can be communicated with the mounting holes are formed in the outer side of the mounting seat at positions between every two adjacent circulation holes, and the fixing jackscrews with inner ends propped against the corresponding positions of the outer sides of the guide rods are fixedly mounted in the fixing holes.
The suction nipple can be used for sucking the waste gas from the waste gas recovery device, and the waste gas can be discharged from the waste gas recovery device.
The invention has reasonable and compact structure and convenient use, and the piston ring is stopped after moving leftwards for a set distance and then is started by arranging the displacement sensor, so that the invention realizes multiple equal volume swabbing; by arranging the second straight hole with the unchanged aperture, after the piston rod moves leftwards by equal distance, the volume of stratum fluid sucked by the second straight hole is unchanged, and the device has the characteristics of stability, high efficiency and accuracy.
Drawings
Fig. 1 is a schematic view of a cross-sectional front view of a preferred embodiment of the present invention.
The codes in the drawings are respectively: 1 is a suction nipple, 2 is an end cover, 3 is a mounting seat, 4 is a piston rod, 5 is a piston ring, 6 is a guide rod, 7 is a displacement sensor, 8 is a first plug, 9 is a second plug, 10 is a first straight hole, 11 is a second straight hole, 12 is a third straight hole, 13 is a sealing ring table, 14 is a through hole, 15 is a hydraulic hole, 16 is an upper mounting hole, 17 is a lower mounting hole, 18 is a first moving hole, 19 is a second moving hole, 20 is a connector, 21 is an O-shaped sealing ring, 22 is a return spring, 23 is a fixed jackscrew, and 24 is a Gray sealing ring.
Detailed Description
The present invention is not limited by the following examples, and specific embodiments can be determined according to the technical scheme and practical situations of the present invention.
In the present invention, for convenience of description, the description of the relative positional relationship of each component is described according to the layout manner of fig. 1 of the specification, for example: the positional relationship of the front, rear, upper, lower, left, right, etc. is determined in accordance with the layout direction of the drawings of the specification.
The invention is further described below with reference to examples and figures:
as shown in fig. 1, the formation pressure measurement sampling chamber while drilling comprises a suction nipple 1, an end cover 2, an installation seat 3, a piston rod 4, a piston ring 5, a guide rod 6, a displacement sensor 7, a first plug 8 and a second plug 9, wherein the axis of the suction nipple 1 is arranged left and right, a left-right through hydraulic cavity is arranged at the lower part of the left side of the suction nipple 1, the hydraulic cavity comprises a first straight hole 10, a second straight hole 11 and a third straight hole 12 which are sequentially communicated from left to right and have sequentially reduced inner diameters, a piston rod 4 with the left end positioned in the first straight hole 10 is arranged in the second straight hole 11, the piston ring 5 is fixedly arranged at the outer side of the left end of the piston rod 4, a left-right through first moving hole 18 is arranged on the piston rod 4, a sealing ring table 13 is arranged at the outer side of the right end of the piston rod 4, and the first plug 8 is fixedly arranged at the inner side of the right end of the piston rod 4; a displacement sensor 7 capable of detecting the position of the piston ring 5 is arranged in the suction nipple 1; the outer side of the middle part of the suction pup joint 1 is provided with a through hole 14 which can be communicated with the second straight hole 11, the inner side of the outer end of the through hole 14 is fixedly provided with a second plug 9, and the upper part of the left side of the suction pup joint 1 is provided with a hydraulic hole 15 which can be communicated with the through hole 14; the left side of the suction nipple 1 is provided with an end cover 2, an upper mounting hole 16 which is penetrated left and right is arranged on the end cover 2 corresponding to the position of the hydraulic hole 15, a lower mounting hole 17 which is penetrated left and right is arranged on the end cover 2 corresponding to the position of the first straight hole 10, a mounting seat 3 is fixedly arranged in the lower mounting hole 17, a mounting hole which is penetrated left and right is arranged in the center of the left side of the mounting seat 3, at least two circulating holes which are penetrated left and right are distributed along the circumference of the left side of the mounting seat 3 corresponding to the position outside the mounting hole, a guide rod 6 with the right end positioned in a first moving hole 18 is fixedly arranged in the mounting hole, and a second moving hole 19 which is penetrated left and right is arranged on the guide rod 6. According to the requirement, the upper mounting hole 16 is communicated with the liquid outlet of the hydraulic pump through a hydraulic pipeline, a two-position two-way valve is arranged on the hydraulic pipeline, and the lower mounting hole 17 is communicated with the oil tank through an oil return pipeline. In the use process, by opening the two-position two-way valve, hydraulic oil sequentially passes through the hydraulic pipeline, the upper mounting hole 16, the hydraulic hole 15 and the through hole 14 and then enters the second straight hole 11, and pushes the piston ring 5 and the piston rod 4 to move leftwards, so that stratum fluid is sucked into the second straight hole 11 through the third straight hole 12; by arranging the displacement sensor 7, the piston ring 5 can be started after stopping moving leftwards for a set distance, so that multiple equal volume swabbing is realized; by arranging the second straight hole 11 with the constant aperture, after the piston rod 4 moves leftwards by an equal distance, the volume of stratum fluid sucked by the second straight hole 11 is constant.
The specific use process of the invention is as follows:
(1) First pumping: the displacement sensor 7 is electrified, the hydraulic pump is started, the two-position two-way valve is opened, and after the piston ring 5 moves leftwards for a set distance, the two-position two-way valve is closed;
(2) And (5) swabbing for the second time: opening the two-position two-way valve, and closing the two-position two-way valve after the piston ring 5 moves leftwards for a set distance;
(3) Third pumping: opening the two-position two-way valve, and closing the two-position two-way valve after the piston ring 5 moves leftwards for a set distance;
(4) Resetting: the two-position two-way valve is opened, the hydraulic pump is closed, and the piston ring 5 returns to the initial position under the action of the return spring 22.
The formation pressure measurement sampling chamber while drilling can be further optimized or/and improved according to actual needs:
as shown in fig. 1, the left end of the first plug 8 is fixedly provided with a displacement sensor 7 with the left end positioned in the second moving hole 19. In the use process, the displacement sensor 7 is arranged, so that the piston ring 5 stops after moving leftwards for a set distance and then is started, and the pumping with the same volume is realized for a plurality of times. The displacement sensor 7 is a known technology, and can be manufactured by the company unique vo, UM-375-2000.
As shown in fig. 1, the device also comprises a return spring 22, and the return spring 22 is arranged on the outer side of the left part of the guide rod 6 corresponding to the position between the mounting seat 3 and the piston ring 5. In the use process, the piston ring 5 and the piston rod 4 are convenient to reset rightwards by arranging the reset spring 22.
As shown in fig. 1, the hydraulic device further comprises a connector 20 and an O-shaped sealing ring 21, wherein the connector 20 with the right end positioned in the hydraulic hole 15 is arranged on the inner side of the right end of the upper mounting hole 16; at least one O-shaped sealing ring 21 is arranged at the left-right interval between the end cover 2 and the connector 20, and at least one O-shaped sealing ring 21 is arranged at the left-right interval between the suction nipple 1 and the connector 20. In the use process, the tightness of the inside of the invention is ensured by arranging the connector 20 and the O-shaped sealing ring 21.
As shown in fig. 1, the fixing device further comprises a fixing jackscrew 23, four circulation holes are uniformly distributed on the left side of the mounting seat 3 along the circumference, fixing holes which can be communicated with the mounting holes are formed in the outer side of the mounting seat 3 at positions between every two adjacent circulation holes, and the fixing jackscrew 23 with the inner end propped against the corresponding position of the outer side of the guide rod 6 is fixedly mounted in the fixing holes. In the use process, the guide rod 6 and the mounting seat 3 are convenient to be fixedly mounted together by arranging the fixed jackscrews 23.
As shown in fig. 1, the suction nipple 1 further comprises a gray seal ring 24, at least one gray seal ring 24 is arranged between the piston ring 5 and the suction nipple 1 at a left-right interval, and at least one gray seal ring 24 is arranged between the seal ring table 13 and the suction nipple 1 at a left-right interval. During use, the tightness of the inside of the invention is ensured by the gray seal 24.
The technical characteristics form the optimal embodiment of the invention, have stronger adaptability and optimal implementation effect, and can increase or decrease unnecessary technical characteristics according to actual needs so as to meet the requirements of different situations.
Claims (10)
1. The utility model provides a stratum pressure measurement sampling room while boring, characterized by includes suction nipple joint, the end cover, the mount pad, the piston rod, the piston ring, the guide bar, displacement sensor, first end cap and second end cap, the axis of suction nipple joint is left and right sides to setting up, suction nipple joint left side lower part is equipped with the hydraulic pressure chamber that link up from left to right, the hydraulic pressure chamber includes from left to right intercommunication and internal diameter reduces in proper order first straight hole, second straight hole and third straight hole, be equipped with the piston rod that the left end is located first straight hole in the second straight hole, piston rod left end outside fixed mounting has the piston ring, be equipped with the first removal hole that link up from left to right on the piston rod, the piston rod right-hand member outside is equipped with the sealing ring platform, piston rod right-hand member inboard fixed mounting has first end cap; a displacement sensor capable of detecting the position of the piston ring is arranged in the suction nipple; the outer side of the middle part of the suction nipple is provided with a through hole which can be communicated with the second straight hole, the inner side of the outer end of the through hole is fixedly provided with a second plug, and the upper part of the left side of the suction nipple is provided with a hydraulic hole which can be communicated with the through hole; the left side of the suction nipple is provided with an end cover, the end cover corresponding to the position of the hydraulic hole is provided with an upper mounting hole which is penetrated left and right, the end cover corresponding to the position of the first straight hole is provided with a lower mounting hole which is penetrated left and right, a mounting seat is fixedly mounted in the lower mounting hole, the center of the left side of the mounting seat is provided with a mounting hole which is penetrated left and right, at least two circulating holes which are penetrated left and right are distributed along the circumference of the left side of the mounting seat corresponding to the position of the outer side of the mounting hole, the right end of the guide rod is positioned in the first moving hole in a fixed manner in the mounting hole, and the guide rod is provided with a second moving hole which is penetrated left and right.
2. The formation pressure while drilling measurement sampling chamber of claim 1, wherein the displacement sensor with the left end positioned in the second moving hole is fixedly arranged at the left end of the first plug.
3. The formation pressure measurement while drilling sampling chamber according to claim 1 or 2, further comprising a return spring, wherein the return spring is arranged on the outer side of the left part of the guide rod corresponding to the position between the mounting seat and the piston ring.
4. The formation pressure measurement while drilling sampling chamber according to claim 1 or 2, further comprising a connector and an O-ring, wherein the connector with the right end positioned in the hydraulic hole is arranged on the inner side of the right end of the upper mounting hole; at least one O-shaped sealing ring is arranged at the left-right interval between the end cover and the connector, and at least one O-shaped sealing ring is arranged at the left-right interval between the suction nipple and the connector.
5. The formation pressure measurement while drilling sampling chamber according to claim 3, further comprising a connector and an O-ring, wherein the connector with the right end positioned in the hydraulic hole is arranged on the inner side of the right end of the upper mounting hole; at least one O-shaped sealing ring is arranged at the left-right interval between the end cover and the connector, and at least one O-shaped sealing ring is arranged at the left-right interval between the suction nipple and the connector.
6. The formation pressure measurement while drilling sampling chamber according to claim 1, 2 or 5, further comprising a fixed jackscrew, wherein four circulation holes are uniformly distributed on the left side of the mounting seat along the circumference, fixing holes which can be communicated with the mounting holes are formed on the outer side of the mounting seat at positions between every two adjacent circulation holes, and the fixed jackscrew with the inner end propped against the corresponding position on the outer side of the guide rod is fixedly arranged in the fixing holes.
7. The formation pressure measurement while drilling sampling chamber according to claim 3, further comprising a fixed jackscrew, wherein four circulation holes are uniformly distributed on the left side of the mounting seat along the circumference, fixing holes which can be communicated with the mounting holes are formed on the outer side of the mounting seat at positions between every two adjacent circulation holes, and the fixed jackscrew with the inner end propped against the corresponding position on the outer side of the guide rod is fixedly mounted in the fixing holes.
8. The formation pressure measurement while drilling sampling chamber according to claim 4, further comprising a fixed jackscrew, wherein four circulation holes are uniformly distributed on the left side of the mounting seat along the circumference, fixing holes which can be communicated with the mounting holes are formed on the outer side of the mounting seat at positions between every two adjacent circulation holes, and the fixed jackscrew with the inner end propped against the corresponding position on the outer side of the guide rod is fixedly mounted in the fixing holes.
9. The formation pressure measurement while drilling sampling chamber according to claim 1 or 2 or 5 or 7 or 8, further comprising a gray seal ring, wherein at least one gray seal ring is arranged at a left-right interval between the piston ring and the suction nipple, and at least one gray seal ring is arranged at a left-right interval between the sealing ring table and the suction nipple.
10. The formation pressure measurement while drilling sampling chamber of claim 6, further comprising a gray seal ring, wherein at least one gray seal ring is arranged between the piston ring and the suction nipple at a left-right interval, and at least one gray seal ring is arranged between the sealing ring table and the suction nipple at a left-right interval.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010936608.0A CN112012735B (en) | 2020-09-08 | 2020-09-08 | Stratum pressure measurement sampling chamber while drilling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010936608.0A CN112012735B (en) | 2020-09-08 | 2020-09-08 | Stratum pressure measurement sampling chamber while drilling |
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| CN112012735A CN112012735A (en) | 2020-12-01 |
| CN112012735B true CN112012735B (en) | 2023-07-07 |
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| CN202010936608.0A Active CN112012735B (en) | 2020-09-08 | 2020-09-08 | Stratum pressure measurement sampling chamber while drilling |
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Families Citing this family (1)
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| CN115726778B (en) * | 2021-08-25 | 2024-04-26 | 中国石油天然气集团有限公司 | Device and method for extracting formation fluid and maintaining pressure for storage |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6871713B2 (en) * | 2000-07-21 | 2005-03-29 | Baker Hughes Incorporated | Apparatus and methods for sampling and testing a formation fluid |
| WO2005114134A2 (en) * | 2004-05-21 | 2005-12-01 | Halliburton Energy Services, Inc. | Downhole probe assembly |
| CN106555582A (en) * | 2015-09-21 | 2017-04-05 | 中国石油化工股份有限公司 | A kind of method with formation pressure testing device and measurement stratum pressure is bored |
| CN110230490A (en) * | 2019-07-16 | 2019-09-13 | 北京六合伟业科技股份有限公司 | A kind of method and apparatus suitable for measuring formation fluid downhole pressure |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7152466B2 (en) * | 2002-11-01 | 2006-12-26 | Schlumberger Technology Corporation | Methods and apparatus for rapidly measuring pressure in earth formations |
| US7581435B2 (en) * | 2004-10-01 | 2009-09-01 | Halliburton Energy Services, Inc. | Method and apparatus for acquiring physical properties of fluid samples at high temperatures and pressures |
| FR2968348B1 (en) * | 2010-12-03 | 2015-01-16 | Total Sa | METHOD OF MEASURING PRESSURE IN A SUBTERRANEAN FORMATION |
| NO339638B1 (en) * | 2014-10-03 | 2017-01-16 | Expro Petrotech As | Apparatus and method for providing a fluid sample in a well |
| EP3144469A1 (en) * | 2015-09-16 | 2017-03-22 | Services Pétroliers Schlumberger | Fluid identification via pressure |
| US10711608B2 (en) * | 2016-12-19 | 2020-07-14 | Schlumberger Technology Corporation | Formation pressure testing |
| US11035231B2 (en) * | 2018-07-01 | 2021-06-15 | Fiorentini USA Inc. | Apparatus and methods for tools for collecting high quality reservoir samples |
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2020
- 2020-09-08 CN CN202010936608.0A patent/CN112012735B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6871713B2 (en) * | 2000-07-21 | 2005-03-29 | Baker Hughes Incorporated | Apparatus and methods for sampling and testing a formation fluid |
| WO2005114134A2 (en) * | 2004-05-21 | 2005-12-01 | Halliburton Energy Services, Inc. | Downhole probe assembly |
| CN106555582A (en) * | 2015-09-21 | 2017-04-05 | 中国石油化工股份有限公司 | A kind of method with formation pressure testing device and measurement stratum pressure is bored |
| CN110230490A (en) * | 2019-07-16 | 2019-09-13 | 北京六合伟业科技股份有限公司 | A kind of method and apparatus suitable for measuring formation fluid downhole pressure |
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