CN202645475U

CN202645475U - Device for receiving and conveying well cuttings

Info

Publication number: CN202645475U
Application number: CN 201220306472
Authority: CN
Inventors: 陈开军; 刘彦成; 宫晓伟; 王珠湛; 王胜亮
Original assignee: JEREH ENERGY SERVICES Co Ltd
Current assignee: JEREH ENERGY SERVICES Co Ltd
Priority date: 2012-06-28
Filing date: 2012-06-28
Publication date: 2013-01-02
Anticipated expiration: 2022-06-28

Abstract

The utility model discloses a device for receiving and conveying well cuttings. The device is characterized by comprising a receiving portion, a conveying portion, a control portion and a circulation washing portion. By means of the device, efficiency of receiving, transferring and treating the well cuttings is improved, environment pollution and waste pollution are avoided, zero release requirements are met, waste is turned into wealth, efficiency is increased, limitation of space on operation process is removed, and anti-explosion requirements of the oil and gas exploitation high risk environment on operation equipment are met.

Description

A kind of for well drilling detritus reception conveying device

Technical field

The utility model relates to oil field prospecting, production technique field, is a kind of for well drilling detritus reception conveying device specifically, and the reception that is mainly used in well drilling detritus and oil field sand, greasy filth is carried.

Background technology

At present, can't carry out the area of landwaste re-injection for some, well drilling detritus can only be transported treating stations back and process.Yet oil gas drilling is on-the-spot, and especially offshore drilling platforms in limited space, receives well drilling detritus efficiently and is transported in the reservoir vessel from narrow solid controlling vibrosieve, becomes a technical barrier of long-term puzzlement oil-gas mining.For solving this technical problem, developed at present a lot of devices, such as the Cleancut Blower of MI-SWACO, but this occupation area of equipment is large, and efficiency of transmission is low, and air consumption is large, and vibrations are violent, and control structure is complicated.

Summary of the invention

The purpose of this utility model is the deficiency that overcomes above-mentioned prior art, receive conveying device and provide a kind of for well drilling detritus, solve mainly that existing reception conveying device floor space is large, efficiency of transmission is low, air consumption is large, vibrations acutely reach the problems such as control structure complexity.

The technical solution of the utility model is: a kind of its special character is that it is comprised of reception, conveying, control and wash cycles four parts for well drilling detritus reception conveying device, and described receiving unit comprises conical hopper, material chamber and dome valve; Dome valve is between conical hopper and material chamber, and the control landwaste enters the time in material chamber; Described transport portion comprises helical conveyor, strength amplifier and slide valve, the helical conveyor top is connected with material bottom, chamber, helical conveyor adopts efficient shaftless structure for conveying, effectively avoid the inner obstruction of helical conveyor, strength amplifier one end is connected with helical conveyor, and the other end is established slide valve; Control section comprises the safety valve on the pipeline, ball valve, the first ball valve, the second ball valve, the 3rd ball valve, the first gas flowmeter, the second gas flowmeter, the 3rd gas flowmeter, the first control valve and the second control valve, connecting line between conical hopper and material chamber is established safety valve, ball valve, establish the first ball valve at the main line that is connected with the material chamber, the first gas flowmeter and the first control valve, establish the second control valve at the pipeline that main line is connected with the strength amplifier, the second gas flowmeter and the second ball valve are established the 3rd gas flowmeter at the pipeline that main line is connected with eccentric reducing, the 3rd ball valve; Described wash cycles partly comprises eccentric reducing, butterfly valve and threeway, connects eccentric reducing one end in the front of slide valve, establishes butterfly valve on the eccentric reducing, and the eccentric reducing other end is connected with threeway; Whole device is installed on the skid body.

Further, described dome valve is sealing circular arc valve, be cast housing, inside is equipped with the rotatable cast iron dome with two stainless steel rotating shafts, turns the dome sealing circle that an inflation is installed in the top at valve, and this structure can realize opening without friction, gas-flow closure in the time of can realizing closing again, both eliminated the bite phenomenon that the ball valve pretightning force causes, and eliminated again the obstruction of butterfly valve to pipeline, comparing with ball valve and butterfly valve has more advantage.

Described in the utility model a kind of for well drilling detritus reception conveying device, it is the receive mode of utilizing gravity blanking and negative pressure suction to combine, receive the solid materials such as waste residue, mud or well drilling detritus, the mode of utilizing barotropic gas and mechanical auxiliary knot to close, by coordination and the control of control system, realize the remote solid waste of carrying; For conveying solid material more effectively, in conveying device, increased the gas amplifying device, be the ways such as original several times to tens times by amplifying tolerance, powerful promotion solid material arrives the destination.

Of the present utility modelly a kind ofly receive conveying device for well drilling detritus and have following features: 1, can guarantee well drilling detritus, mud reception and be transported to the place of appointment, use safety, simple, convenient, can reach national explosion-proof criteria and meet the zone operation at the Zone of requirement of explosion proof I; 2, use 220V voltage and pneumatically operated, very economical, reliable; 3, the working pressure air is 0.6Mpa, and air consumption is low; 4, all valves are pneumatic control, and can realize hand, from integrated, can be closely and remote-controlled operation; 5, large capacity reception funnel, disposable 0.25M3 landwaste or the material of filling; 6, transporting velocity is fast, the transporting velocity that each second is general 20 meters; 7, fed distance is far away, 80 meters of maximum delivery distances; 8, by the strength amplifier, original compressed air is amplified more than 50%, strengthen the boosting power of material; 9, by gas flow and pressure finder, can judge intuitively the transfer pipeline situation; 10, simple in structure, volume is little, and is lightweight, easy for installation.

Of the present utility model a kind of for well drilling detritus reception conveying device, in the on-the-spot use of narrow and small oil gas drilling, have following good effect:

1, safe and reliable: landwaste falls into the funnel that connects material fully before entering conveying device, and that avoids landwaste spills Lou that contaminated environment and the personnel that cause injure; After landwaste enters conveying device, be completely enclosed within the pressure vessel, avoid the contact personnel to injure eyes and skin; Device adopts gas control and carries, and the helical conveyor motor adopts the ABB motor of explosion-proof criteria, and whole device meets requirement of explosion proof, can be used for Zone I district; This device does not have dither and high-speed rotary part, does not have the high-decibel noise during use; According to on-the-spot actual conditions, can realize execute-in-place and operated from a distance, Artificial Control and automation control;

2, economical and practical: this apparatus structure is compact, and the sledge dress is of a size of 2.73x1.32x2.00m, and is multiple functional, can realize conveying, wash cycles; Satisfied the requirement of the offshore drilling platforms confined space to equipment;

3, flexible and efficient: compact structure is put easily in the operating area, can carry by hard pipeline and rubber hose, and it is simple, flexible that the flow process pipeline is arranged, receiving vessel is put freedom; This device under the condition of fed distance 60m, per hour can be carried landwaste 7.2m3 at discharge pressure 50psi; This device both can be transported to landwaste landwaste re-injection slurry making system according to field requirement, also can be transported in the landwaste receiving magazine, transported treating stations back and processed.

Description of drawings:

Fig. 1 is connection diagram of the present utility model.

The specific embodiment:

For Comprehension and Implementation better, provide specific embodiment below in conjunction with accompanying drawing and describe the utility model in detail.

With the funnel that connects material of 0.25m3,60 meters of fed distance, under the condition of discharge pressure 50psi, the landwaste that per hour can carry 7.2m3/h is example.

Embodiment 1, and referring to Fig. 1, peace loading chamber 3 below conical hopper 1 is installed dome valve 2 between the two, form receiving unit by the three, and dome valve 2 is sealing circular arc valves, and material chamber 3 is welded as a whole good seal with the housing of helical conveyor 7;

Helical conveyor 7 one ends are connected with strength amplifier 8 one ends by flange, and strength amplifier 8 other ends are installed slide valve 9, form transport portion; Helical conveyor 7 is O type helical conveyor, adopts efficient shaftless structure for conveying, effectively avoids helical conveyor 7 inner obstructions, for preventing helical conveyor 7 body wear, installs the wear resistant nylon lining additional at inner surface; Slide valve is a kind of gas control valve, by the compressed air-driven cylinder piston, drives the valve plate motion by connecting rod;

Mounting safety valve 5, ball valve 6 on the connecting line 4 between conical hopper 1 and the material chamber 3, at the main line that is connected with material chamber 3 the first ball valve 13a, the first gas flowmeter 14a and the first control valve 15a are installed, at the pipeline that main line is connected with strength amplifier 8 the second gas flowmeter 14b, the second ball valve 13b are installed, the second control valve 15b, at the pipeline that main line is connected with eccentric reducing 10 the 3rd gas flowmeter 14c, the 3rd ball valve 13c, formation control part are installed; Gas flowmeter 14a and 14b follow the tracks of and improvement provides the data reference for detection of the state of pipeline and for equipment; Safety valve 5 is for the protection of equipment and personal security, and the pressure of regulation safety valve is lower than the design pressure of equipment; According to the difference of bit speed, at the pipeline of the first gas flowmeter 14a and the second gas flowmeter

14b control valve

15a and 15b are installed, regulate compressed-air actuated flow, energy conservation;

Front at slide valve 9 connects eccentric reducing 10 1 ends with flange, and butterfly valve 11 is installed on the eccentric reducing 10, and eccentric reducing 10 other end connecting tees 12 form the wash cycles part; Be used for cleaning pipeline after the end of job, protection equipment and pipe fitting are avoided reusing pipeline and are stopped up.

Described in the utility modelly a kind ofly receive conveying device for well drilling detritus, its operating principle is as follows: plugged at first, start helical conveyor 7, and make its first No Load Start operation.Close dome valve 2, close ball valve 6, well drilling detritus will enter conical hopper 1 by funnel or helical conveyor under the solid controlling vibrosieve.After landwaste is filled conical hopper 1, open first ball valve 6, then open dome valve 2, landwaste can enter material chamber 3 by gravity and negative pressure.After landwaste enters material chamber 3 fully, close ball valve 6, close and sealing dome valve 2, open ball valve 13b, helical conveyor 7 is transported to strength amplifier 8 places with landwaste, when pressure reaches setting value, open slide valve 9, then by compressed air landwaste is transported to landwaste case or slurry making system.After the landwaste conveying in the material chamber 3 is complete, close ball valve 13a, close slide valve 9, open ball valve 6, open dome valve 2, material can enter material chamber 3 again, carries next time, realizes the continuous conveying of landwaste.Behind end-of-job, can clean pipeline by dual mode.1, the by-pass port from the threeway 12 is put into rotating wash bowl, then loads onto plug, closes slide valve 9, opens ball valve 13c, and compressed air can promote rotating wash bowl the greasy filth on the pipeline inwall is washed, simultaneously the recovery and rinsing ball; 2, can connect at butterfly valve 11 places the centrifugal pump discharge pipe, close slide valve 9, close ball valve 13c, then feed-line is connected to slurry making system, utilize centrifugal pump to set up liquid-circulating, pipeline is cleaned up, then close butterfly valve 11, open ball valve 13c, it is clean to utilize compressed air that the liquid in the feed-line is purged.

In addition, ball valve 13a place gas circuit is for subsequent use of ball valve 13b place gas circuit, and simultaneously, when the landwaste amount was larger, ball valve 13a place gas circuit also was replenishing of ball valve 13b place gas circuit; Can strengthen air supply simultaneously to material chamber 3 and strength amplifier 8 air feed, realize carrying fast.

Running into emergency case, when transfer pipeline stops up, closing slide valve 9, opening ball valve 13c, to the transfer pipeline pressure of spraining.Owing in the front of ball valve 13c control valve is not installed, its pressure is directly set up by air compressor machine, and the more other two-way of pressure is larger, can remove transfer pipeline and stop up.

Claims

1. one kind is used for well drilling detritus reception conveying device, it is characterized in that it is comprised of reception, conveying, control and wash cycles four parts, described receiving unit comprises conical hopper (1), material chamber (3) and dome valve (2), and dome valve (2) is positioned between conical hopper (1) and the material chamber (3); Described transport portion comprises helical conveyor (7), strength amplifier (8) and slide valve (9), helical conveyor (7) top is connected with material bottom, chamber (3), strength amplifier (8) one ends are connected with helical conveyor (7), and the other end is established slide valve (9); Control section comprises the safety valve (5) on the pipeline, ball valve (6), the first ball valve (13a), the second ball valve (13b), the 3rd ball valve (13c), the first gas flowmeter (14a), the second gas flowmeter (14b), the 3rd gas flowmeter (14c), the first control valve (15a) and the second control valve (15b), connecting line (4) between conical hopper (1) and material chamber (3) is established safety valve (5), ball valve (6), establish the first ball valve (13a) at the main line that is connected with material chamber (3), the first gas flowmeter (14a) and the first control valve (15a), establish the second control valve (15b) at the pipeline that main line is connected with strength amplifier (8), the second gas flowmeter (14b) and the second ball valve (13b) are established the 3rd gas flowmeter (14c) at the pipeline that main line is connected with eccentric reducing (10), the 3rd ball valve (13c); Described wash cycles partly comprises eccentric reducing (10), butterfly valve (11) and threeway (12), connect eccentric reducing (10) one ends in the front of slide valve (9), establish butterfly valve (11) on the eccentric reducing (10), eccentric reducing (10) other end is connected with threeway (12); Device is installed on the skid body.

2. according to claim 1 a kind of for well drilling detritus reception conveying device, it is characterized in that described dome valve (2) is sealing circular arc valve.