CN104405346B - A kind of hydraulic jet perforation choke manifold - Google Patents
A kind of hydraulic jet perforation choke manifold Download PDFInfo
- Publication number
- CN104405346B CN104405346B CN201410717724.8A CN201410717724A CN104405346B CN 104405346 B CN104405346 B CN 104405346B CN 201410717724 A CN201410717724 A CN 201410717724A CN 104405346 B CN104405346 B CN 104405346B
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- gate valve
- pipeline
- valve
- flat
- flat gate
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- 238000000034 method Methods 0.000 claims description 12
- 238000013461 design Methods 0.000 claims description 7
- 238000012360 testing method Methods 0.000 claims description 5
- 238000001802 infusion Methods 0.000 claims description 4
- 238000010276 construction Methods 0.000 claims description 3
- 210000002445 nipple Anatomy 0.000 claims description 3
- 238000006073 displacement reaction Methods 0.000 claims description 2
- 230000003628 erosive effect Effects 0.000 abstract description 6
- 239000004576 sand Substances 0.000 abstract description 4
- 206010020852 Hypertonia Diseases 0.000 abstract 1
- 238000005553 drilling Methods 0.000 description 5
- 239000012530 fluid Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000004224 protection Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000005520 electrodynamics Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000005488 sandblasting Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/11—Perforators; Permeators
- E21B43/114—Perforators using direct fluid action on the wall to be perforated, e.g. abrasive jets
-
- 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
- E21B34/00—Valve arrangements for boreholes or wells
- E21B34/02—Valve arrangements for boreholes or wells in well heads
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)
- Fluid-Pressure Circuits (AREA)
- Sliding Valves (AREA)
Abstract
The invention provides a kind of hydraulic jet perforation surface throttling manifold, a kind of hydraulic jet perforation choke manifold, including the first pipeline four-way, the second pipeline four-way, the first flat gate valve, the 3rd flat gate valve and the 5th flat gate valve are set side by side between the first pipeline four-way and the second pipeline four-way;First flat gate valve and the 5th flat gate valve are located at the both sides of the 3rd flat gate valve;The first fixed restrictive valve is provided between first flat gate valve and first horizontal one end of pipeline four-way, the 5th flat gate valve is provided with the 4th fixed restrictive valve with the horizontal other end of the first pipeline four-way.The precise control to casing pressure during hydraulic jet perforation can be realized, prevents hypertonia from causing line burst, or hypotony to cause stratum to tell sand or perforation tool failure, fixation type throttle valve erosion wear resistance is good, change convenient, save cost, improve operating efficiency.
Description
Technical field
The present invention relates to a kind of hydraulic jet perforation choke manifold.
Background technology
It, for adjusting the control device of wellbore pressure in Process of Oil Well Drilling, is by various valves, pipeline that choke manifold is
And pipe joint, including the logical grid being formed by connecting of threeway, four-way and five, it is placed in the side of Oil/gas Well well head.At present, drilling well
The choke manifold that industry is used, the control of its choke valve and parallel gate valve is mainly manually and surges two kinds, and throttling branch road
Relatively simple, staff regulates and controls choke valve and parallel gate valve according to overpressure in good time, to control borehole pressure and fluid
Flow direction, above-mentioned regulation and control operation is not only cumbersome completely by manual implementation, and labour intensity is big, and security is poor, and artificial regulatory
Accuracy is also not easy to grasp so that borehole pressure stability is poor.
With deep-well, ultradeep well, the increase of high-pressure oil-gas well and the extensive use of balanced drilling technique, particularly, for
It was found that, liberation, reservoir protec-tion and be increasingly subject to pay attention under balance pressure drilling in, well-control equipment as in time find and control overflow
Stream, prevents blowout, it is to avoid petroleum resources is wasted, the key equipment of protection equipment and personal safety.In recent years, drilling technology is to well
The development of control equipment with use more and more higher, do not require nothing more than with safe and reliable, quick and flexible switch and change and should possess dynamic work(
The features such as energy, portable construction, easy to operate, integrated operation.
A kind of multiple branch circuit choke manifold for automatically controlling disclosed in patent publication No. is institute CN203271673U, including six
Logical, six lead to and five logical A inlet communications, and the outlets of five logical A are provided with four branch roads, and first branch road is to pass sequentially through to put down manually
Row gate valve A, electric throttle valve A are connected with threeway;Article 2 branch road is to pass sequentially through the logical B of Manual parallel valve C, two-way A and five to connect
It is logical;Article 3 branch road is to pass sequentially through electrical parallel valve A Bs logical with five to connect;Article 4 branch road is to pass sequentially through electrodynamic balance
Valve B, electric throttle valve B, two-way B B logical with five are connected.
Current choke manifold is now applied to be applied in water conservancy abrasive perforating, hydraulic jet perforation operation straight well,
Horizontal well has obtained large scale application, needs to be controlled casing pressure in perforating process, conventional throttle pipe Correspondent
Throttled frequently with gate valve or needle-valve, because gate valve and needle-valve erosion wear resistance are poor, especially hydraulic jet perforation operation
Cheng Zhong, carries a small amount of perforation sand in sleeve pipe returning fluid, the erosion to gate valve or needle-valve is serious, and pressure control effect is bad, generally exists
Often construct one layer and can damage a gate valve or needle-valve in scene.
The content of the invention
The purpose of the present invention is:Precise control set is unable to when hydraulic jet perforation is carried out in order to solve existing choke manifold
Pipe pressure, and gate valve is due to the problem of the erosion well damage of load fluid, the present invention provides controllable casing pressure, improves perforation
A kind of special choke manifold of hydraulic jet perforation of efficiency and corrosion resistance.
The technical scheme is that:
A kind of hydraulic jet perforation choke manifold, including the first pipeline four-way, the second pipeline four-way, first pipeline four
It is logical that the first flat gate valve, the 3rd flat gate valve and the 5th flat gate valve are set side by side with and the second pipeline four-way between;Described
One flat gate valve and the 5th flat gate valve are located at the both sides of the 3rd flat gate valve.
The first fixed restrictive valve is provided between one end of first flat gate valve and the connection of the first pipeline four-way;It is described
The 4th fixed restrictive valve is provided between 5th flat gate valve and the first pipeline four-way connection.
The first pipeline threeway is connected between one end of first fixed restrictive valve and the connection of the first pipeline four-way, described the
The three-terminal link of one pipeline threeway has the second fixed restrictive valve, and the second fixed restrictive valve is connected with by the first pipeline two-way
Two flat gate valves, second flat gate valve is connected to the first flat gate valve and is connected one end with the second pipeline four-way by threeway
Pipeline on.
The second pipeline threeway, institute are connected between one end of 4th fixed restrictive valve and the connection of the first pipeline four-way
Stating the three-terminal link of the second pipeline threeway has the 3rd fixed restrictive valve, and the 3rd fixed restrictive valve is connected by the second pipeline two-way
There is fourth panel gate valve, the fourth panel gate valve is connected to the 5th flat gate valve and is connected with the second pipeline four-way by threeway
On the pipeline of one end.
Technique effect of the invention is:
Present invention fixation type throttle mouth in hydraulic jet perforation manifold indoor design, by switching different flat gate valves
The precise control to casing pressure is realized, erosion of the load fluid to gate valve is reduced, perforation efficiency is improve.Positive choke reality
Showed and be convenient for changing, with abrasion-resistance it is good the characteristics of.Coiled tubing hydraulic jet perforation is not only used in, is applied also for
Oil pipe hydraulic jet perforation.
It is described in detail below with reference to accompanying drawing.
Brief description of the drawings
Fig. 1 is hydraulic jet perforation surface throttling manifold structural representation.
Reference is as follows:
1. the first fixed restrictive valve;2. the second fixed restrictive valve;3. the 3rd fixed restrictive valve;4. the 4th fixed restrictive valve;
5. manifold entrance;6. manifold outlet;7. the first flat gate valve;8. the second flat gate valve;9. the 3rd flat gate valve;10. Siping City
Plate gate valve;11. the 5th flat gate valves;12. manifold pipelines;13. first pipeline four-ways;14. second pipeline four-ways;15. first pipes
Road threeway;16. second pipeline threeways;17. first pipeline two-ways;18. second pipeline two-ways.
Specific embodiment
Embodiment 1:
Because existing choke manifold is unable to precise control casing pressure, and gate valve when hydraulic jet perforation is carried out due to taking
The problem of the erosion well damage of sand liquid, in order to overcome above mentioned problem, embodiment to provide a kind of hydraulic jet perforation private section
Flow tube is converged.
As shown in figure 1, a kind of hydraulic jet perforation choke manifold, including the first pipeline four-way 13, the second pipeline four-way 14,
Be set side by side between the first pipeline four-way 13 and the second pipeline four-way 14 first flat gate valve 7, the 3rd flat gate valve 9 and
5th flat gate valve 11;The flat gate valve 11 of first flat gate valve 7 and the 5th is located at the both sides of the 3rd flat gate valve 9.
The first fixed restrictive valve 1 is provided between one end of the connection of first flat gate valve, 7 and first pipeline four-way 13;
The 4th fixed restrictive valve 4 is provided between 5th flat gate valve 11 and the first pipeline four-way 13 connection.
The first pipeline threeway 15 is connected between one end of first fixed restrictive valve 1 and the connection of the first pipeline four-way 13,
The three-terminal link of first pipeline threeway 15 has the second fixed restrictive valve 2, and the second fixed restrictive valve 2 passes through the first pipeline two
Logical 17 are connected with the second flat gate valve 8, and second flat gate valve 8 is connected to the first flat gate valve 7 and with second by threeway
On the pipeline 12 of the connection of pipeline four-way 14 one end.
The second pipeline threeway is connected between one end of 4th fixed restrictive valve 4 and the connection of the first pipeline four-way 13
16, the three-terminal link of second pipeline threeway 16 has the 3rd fixed restrictive valve 3, and the 3rd fixed restrictive valve 3 is by the second pipe
Road two-way 18 is connected with fourth panel gate valve 10, and the fourth panel gate valve 10 is connected to the He of the 5th flat gate valve 11 by threeway
It is connected on the pipeline 12 of one end with the second pipeline four-way 14.
The upper end of first pipeline four-way 13 is connected with manifold entrance 5, and the lower end of the second pipeline four-way 14 is connected with manifold outlet 6.
There are 4 groups of fixation type throttle valves built with various sizes of flow nipple, by being turned on and off different flat gate valves
Combine to control the pressure of hydraulic jet perforation process middle sleeve.
Wherein, according to field hydraulic abrasive perforating discharge capacity and sleeve pipe back pressure control needs, in the first fixed restrictive valve 1, the
Two fixed restrictive valves 2, the 3rd fixed restrictive valve 3 is respectively mounted various sizes of flow nipple inside the 4th fixed restrictive valve 4, spray
During sand perforation, the 3rd flat gate valve 9 is closed, by switching the first flat gate valve 7, the second flat gate valve 8, fourth panel gate valve
10, the 5th flat gate valve 11 carries out precise control to casing pressure, prevents superpressure or hypotony influence perforating quality.
All flat gate valves are closed after the completion of perforation carries out pressure break, after pressure terminates, by opening different flat gate valves
Carry out throttling blowout prevention.
Embodiment 2:
On the basis of based on embodiment 1, application mode of the invention is:
(1), first manifold entrance 5 is connected with wellhead casing pipe gate valve;
(2), open the first flat gate valve 7, the second flat gate valve 8, fourth panel gate valve 10, the 5th flat gate valve 11, close
Close the 3rd flat gate valve 9;
(3), test choke pressure, carry out oil pipe infusion according to perforation displacement requirements, casing pressure is tested, if sleeve pipe pressure
Power is less than design pressure, as needed the first flat gate valve 7 of selection closing, the second flat gate valve 8, fourth panel gate valve 10, the
It is any one or more in five flat gate valves 11, until casing pressure reaches design requirement.
(4)If, casing pressure be more than design pressure, stop infusion, according to pressure size, change the first flat gate valve 7,
Second flat gate valve 8, fourth panel gate valve 10, any one or more oil nozzle chis in the 5th flat gate valve of flat gate valve 11 4
It is very little.
(5), carry out choke pressure test again, method is same(3).
(6), carry out hydraulic jet perforation, if perforation discharge capacity is adjusted in perforating process, can by adjustment first
Flat gate valve 7, the second flat gate valve 8, fourth panel gate valve 10, any one or more in the 5th flat gate valve 11 are covered
Pipe pressure is controlled, until meet live casing pressure control requiring.
(7), after perforation terminates, close set sluice valve, carry out pressing crack construction.
(8), after pressure break terminates, open set sluice valve, close the 3rd flat gate valve 9, by opening the first flat gate valve 7,
Second flat gate valve 8, fourth panel gate valve 10, any one or more in the 5th flat gate valve 11 carry out throttling open flow.
The present invention relates to the underground work field operation such as formation testing gas, fracture acidizing field, hydraulic sand blasting is mainly used in
Open flow operation after perforation, pressure break, is one of hydraulic jet perforation process corollary apparatus.Can be applied not only to coiled tubing waterpower
During abrasive perforating, open flow operation after oil pipe abrasive perforating, pressure break is also widely applied to.
Claims (1)
1. a kind of hydraulic jet perforation choke manifold, it is characterised in that:Including the first pipeline four-way(13), the second pipeline four-way
(14), the first pipeline four-way(13)With the second pipeline four-way(14)Between by pipeline to be connected with parallel with one another first flat
Plate gate valve(7), the 3rd flat gate valve(9)With the 5th flat gate valve(11);First flat gate valve(7)And the 5th Flat Sluice
Valve(11)Positioned at the 3rd flat gate valve(9)Both sides;First flat gate valve(7)With the first pipeline four-way(13)The one of connection
The first fixed restrictive valve is provided between end(1);5th flat gate valve(11)With the first pipeline four-way(13)Connection
Between be provided with the 4th fixed restrictive valve(4);First fixed restrictive valve(1)With the first pipeline four-way(13)One end of connection
Between be connected with the first pipeline threeway(15), the first pipeline threeway(15)Three-terminal link have the second fixed restrictive valve
(2), the second fixed restrictive valve(2)By the first pipeline two-way(17)It is connected with the second flat gate valve(8), second Flat Sluice
Valve(8)First flat gate valve is connected to by threeway(7)And with the second pipeline four-way(14)Connect the pipeline of one end(12)On;The
Four fixed restrictive valves(4)With the first pipeline four-way(13)The second pipeline threeway is connected between one end of connection(16),
The second pipeline threeway(16)Three-terminal link have the 3rd fixed restrictive valve(3), the 3rd fixed restrictive valve(3)By second
Pipeline two-way(18)It is connected with fourth panel gate valve(10), the fourth panel gate valve(10)5th flat board is connected to by threeway
Gate valve(11)And with the second pipeline four-way(14)Connect the pipeline of one end(12)On;4 groups of fixation type throttle valves are built with different chis
Very little flow nipple, by the pressure for being turned on and off different flat gate valves combinations to control hydraulic jet perforation process middle sleeve
Power;
The specifically used method of the manifold is:
(1), first manifold entrance is connected with wellhead casing pipe gate valve;
(2), open the first flat gate valve, the second flat gate valve, fourth panel gate valve, the 5th flat gate valve, close the 3rd flat board
Gate valve;
(3), test choke pressure, carry out oil pipe infusion according to perforation displacement requirements, casing pressure is tested, if casing pressure is small
In design pressure, the first flat gate valve, the second flat gate valve, fourth panel gate valve, the 5th Flat Sluice are closed in selection as needed
It is any one or more in valve, until casing pressure reaches design requirement;
(4)If, casing pressure be more than design pressure, stop infusion, according to pressure size, change the first flat gate valve, second
Flat gate valve, fourth panel gate valve, any one or more choke sizes in the 5th flat gate valve of flat gate valve four;
(5), carry out choke pressure test, the same step of method again(3);
(6), carry out hydraulic jet perforation, if perforation discharge capacity is adjusted in perforating process, can be by adjusting the first flat board
Gate valve, the second flat gate valve, fourth panel gate valve, any one or more in the 5th flat gate valve carry out casing pressure control
System, until meet live casing pressure control requiring;
(7), after perforation terminates, close set sluice valve, carry out pressing crack construction;
(8), after pressure break terminates, open set sluice valve, close the 3rd flat gate valve, by opening the first flat gate valve, second is flat
Plate gate valve, fourth panel gate valve, any one or more in the 5th flat gate valve carry out throttling open flow.
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CN201410717724.8A CN104405346B (en) | 2014-12-02 | 2014-12-02 | A kind of hydraulic jet perforation choke manifold |
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CN201410717724.8A CN104405346B (en) | 2014-12-02 | 2014-12-02 | A kind of hydraulic jet perforation choke manifold |
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CN104405346A CN104405346A (en) | 2015-03-11 |
CN104405346B true CN104405346B (en) | 2017-06-13 |
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Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
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CN105626004B (en) * | 2016-03-03 | 2017-12-15 | 中国石油集团川庆钻探工程有限公司长庆井下技术作业公司 | A kind of Oil/gas Well open flow erosion resistance choke manifold |
CN106401511B (en) * | 2016-10-28 | 2019-02-19 | 中国石油集团川庆钻探工程有限公司长庆井下技术作业公司 | A kind of high-pressure filteration choke manifold and its filtering throttling method |
CN111577240B (en) * | 2020-04-24 | 2023-07-14 | 洲际海峡能源科技有限公司 | Wireless centralized control system of well drilling well control equipment |
CN116591644B (en) * | 2023-07-17 | 2023-09-19 | 大庆市天德忠石油科技有限公司 | Hydraulic sand blasting perforation choke manifold |
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Effective date of registration: 20201029 Address after: 100007 Dongcheng District, Dongzhimen, China, North Street, No. 9 Oil Mansion, No. Patentee after: CHINA NATIONAL PETROLEUM Corp. Patentee after: CNPC CHUANQING DRILLING ENGINEERING Co.,Ltd. Address before: 710018 Shaanxi province Xi'an Weiyang Changqing Changqing prosperous Park District Building Room 1207 Patentee before: CHINA NATIONAL PETROLEUM CORPORATION CHUANQING DRILLING ENGINEERING COMPANY LIMITED CHANGQING DOWNHOLE TECHNOLOGY Co. |
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