CN208057080U - A kind of controllable apparatus for work of no killing well - Google Patents

A kind of controllable apparatus for work of no killing well Download PDF

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Publication number
CN208057080U
CN208057080U CN201820513315.XU CN201820513315U CN208057080U CN 208057080 U CN208057080 U CN 208057080U CN 201820513315 U CN201820513315 U CN 201820513315U CN 208057080 U CN208057080 U CN 208057080U
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CN
China
Prior art keywords
rotary flange
wellhead assembly
tubular annular
platform
annular preventer
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Application number
CN201820513315.XU
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Chinese (zh)
Inventor
李建国
付秀荣
孙少华
张秀清
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SHENGLI FANLAND PETROLEUM EQUIPMENT CO Ltd
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SHENGLI FANLAND PETROLEUM EQUIPMENT CO Ltd
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Priority to CN201820513315.XU priority Critical patent/CN208057080U/en
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Abstract

A kind of controllable apparatus for work of no killing well,Adjustable fulcrum bearing is mounted on around wellhead assembly,Lower layer's stage+module is in adjustable fulcrum bearing,The upper end of every adjustable fulcrum bearing is installed by a piece support column,Upper platform is mounted on the upper end of support column,The hydraulic cylinder of hydraulic lift is fixed on the support columns,The crossbeam that moves about is mounted on the upper end of hydraulic lift,Traveling slip is mounted on travelling crossbeam,Rotary flange is mounted on lower layer's platform,Rotary flange is on wellhead assembly,Rotary flange can be connect with wellhead assembly,Three flashboard controllers are installed on rotary flange,Tubular annular preventer is installed on three flashboard controllers,The lower side of tubular annular preventer installs relief pipeline,The upper side installation of tubular annular preventer starts pressure pipe,By alternately switching three gate control devices and manipulating the lifting of hydraulic lift,Snubbing serving with pressure can be achieved,The utility model is simple in structure,Appearance and size is small,It can integrally carry.

Description

A kind of controllable apparatus for work of no killing well
Technical field
The utility model is the equipment of oilfield oil well workover treatment with pressure, is a kind of controllable apparatus for work of no killing well.
Background technology
When having the oil-water well of pressure to need construction operation at well head, it is generally used high density well control fluids and carries out kill-job, Make pit shaft head of liquid stressor layer above Ground, its operation wellhead is made not have pressure.Well head pressure is eliminated using the method for kill-job, is needed A large amount of manpower and materials, the wellbore pressure of formation are wanted to be higher than strata pressure, high density well control fluids can enter stratum, cause stratum dirty Dye causes formation pore to be blocked, and influences oil field production, causes heavy economic losses.In view of the above problems, related skill Art staff development workover operation device with pressure, makes it be not required to kill-job when operation in the case where well head has pressure, and such as China is specially Profit application 200720173181.3《Integral high-pressure grease operation device under pressure》, the equipment of exactly realizing snubbing serving.But This technology will configure a variety of ram preventers using annular preventer could realize the purpose of invention, and it is high to be suitable for well head pressure In the Operating Pressure of the high-pressure well of 6MPa, thus the appearance and size of package unit is big, and component is more, of high cost, is placed on transport vehicle It has been more than to allow the height of transport, therefore transported after can only splitting, has arrived well site integrally mounted carry out operation again, and it is big at present The well head pressure that the well of blowout can occur for part is less than 6MPa, so, well of the prior art for well head pressure less than 6MPa is anti- When spraying operation, operational procedure is more, and the time is long, and it is big to promote and apply difficulty.
Invention content
The purpose of this utility model be in view of the above technology present in it is insufficient, design a kind of controllable operation dress of no killing well It sets, is suitble to well head pressure to be less than the oil-water well operation of 6MPa, keeps its component few, appearance and size is small, can integrally carry, and reduces Cost and working procedure make to have blowout but well head pressure are less than the oil-water well snubbing serving of 6MPa, protect stratum, improve oil field Development effectiveness.
What the purpose of this utility model was realized in:Including traveling slip, travelling crossbeam, upper platform, support column, liquid Press lifting gear, three flashboard controllers, lower layer's platform, adjustable fulcrum bearing, wellhead assembly, startup pressure pipe, tubular annular anti- Spray apparatus, relief pipeline, rotary flange, 4 adjustable fulcrum bearings are mounted on around wellhead assembly, and lower layer's stage+module is adjustable It saves in fulcrum bearing, a support column is installed in the upper end of every adjustable fulcrum bearing, and upper platform is mounted on the upper end of support column, liquid The hydraulic cylinder of lifting gear is pressed to fix on the support columns, travelling crossbeam is mounted on the upper end of hydraulic lift, travelling card Watt be mounted on travelling crossbeam on, rotary flange be mounted on lower layer's platform on, rotary flange is on wellhead assembly, rotary flange It can be connect with wellhead assembly, three flashboard controllers are installed on rotary flange, installation tubular annular is anti-on three flashboard controllers Spray apparatus, traveling slip, tubular annular preventer, three flashboard controllers, rotary flange and wellhead assembly coaxial line, tubular annular are anti- The lower side of spray apparatus installs relief pipeline, and the upper side installation of tubular annular preventer starts pressure pipe, starts pressure pipe On have valve, have valve on relief pipeline.
Securing device links into an integrated entity the top of 4 support columns, keeps the top of support column firm.
The utility model has the beneficial effects that:By alternately switching three gate control devices and manipulating hydraulic lift Lifting, so that it may realize that snubbing serving with pressure, the utility model are to be designed less than 6MPa by well head pressure, thus this practicality is new Type is simple in structure, and appearance and size is small, can integrally carry, and need not assemble at the construction field (site), the whole assemblings indoors of each component, Pressure testing, detection, it is ensured that quality meets blowout prevention requirement, and therefore, the utility model can reach purpose of design, has significant Economic benefit.
Description of the drawings
Attached drawing 1 is the installation diagram of the utility model embodiment.
Specific implementation mode
1 pair of the utility model embodiment illustrates below in conjunction with the accompanying drawings.
As shown in Figure 1, the embodiments of the present invention include traveling slip 1, travelling crossbeam 2, upper platform 3, support column 4, hydraulic lift 6, three flashboard controllers 7, lower layer's platform 8, adjustable fulcrum bearing 9, wellhead assembly 10, startup pressure pipe 11,14,4 tubular annular preventer 12, relief pipeline 13, rotary flange adjustable fulcrum bearings 9 are mounted on wellhead assembly 10 Around, lower layer's platform 8 is mounted in adjustable fulcrum bearing 9, and a support column 4 is installed in the upper end of every adjustable fulcrum bearing 9, on Layer platform 3 is mounted on the upper end of 4 support columns 4, and the hydraulic cylinder of hydraulic lift 6 is fixed on support column 4, and move about crossbeam 2 Mounted on the upper end of hydraulic lift 6, traveling slip 1 is mounted on travelling crossbeam 2, and rotary flange 14 is mounted on lower layer On platform 8, rotary flange 14 is on wellhead assembly 10, and rotary flange 14 can be connect with wellhead assembly 10, rotary flange 14 On three flashboard controllers 7 are installed, installation tubular annular preventer 12, traveling slip 1, tubular ring on three flashboard controllers 7 Shape preventer 12, three flashboard controllers 7, rotary flange 14 and 10 coaxial line of wellhead assembly, the lower part of tubular annular preventer 12 Relief pipeline 13 is installed in side, and relief pipeline 13 is communicated with the inside of tubular annular preventer 12, tubular annular preventer 12 Upper side installation starts pressure pipe 11, starts pressure pipe 11 and is communicated with the inside of tubular annular preventer 12, starts pressure pipe There is valve on 11, there is valve, the internal pressure of the valve control tubular annular preventer 12, for discharging on relief pipeline 13 Pour out the well liquid flowed out when tubing coupling and downhole tool.
Securing device links into an integrated entity the top of 4 support columns 4, keeps the top of support column 4 firm, can meet outdoor work Industry requirement.
When borehole pressure is high, the injection pressure into tubular annular preventer 12 of activated pressure pipe 11 makes its work, rises The oil pipe gone out is sealed by tubular annular preventer 12, can be with Operating Pressure, when borehole pressure is to by the upper top power of the oil pipe gone out More than oil pipe dead weight when, oil pipe is blocked by traveling slip 1 and is not scurried out, start hydraulic lift 6, oil pipe is lifted. When oil well stops operation, oil pipe is in traveling slip 1, tubular annular preventer 12, three flashboard controllers 7, rotary flange 14, well When in mouth device 10, start three flashboard controllers 7, card envelope, therefore, the utility model can be carried out to the pipe tool of different-diameter in well Suitable for various downhole tool Operating Pressures.
Upper platform 3, lower layer's platform 8 are to provide operating space to operator, ensure safety work.
The utility model use tubular annular preventer 12 it is upper carry tool segment when want moment to bleed off pressure, quickly propose tool Quick closedown again afterwards, thus a small amount of grease is released, the grease of releasing is discharged by relief pipeline 13 in Water Tank, not impurely Face.For the utility model compared with existing blowout preventer, component is few, and height reduces half(Total height is no more than 2600mm), erect no more than 4m, roping is convenient, and the height of operating platform is no more than 2m, not counting working at height, safety It is good.
Because downhole tool has 3 ~ 7, by wanting moment to bleed off pressure when tubular annular preventer 12, but the time very short will not make At any harm, in controlled range, thus it is no killing well controllable device, allows moment to bleed off pressure the benefit brought very much, it can Investment half is reduced, operating efficiency greatly improves, and safety is good, and operating cost reduces.

Claims (2)

1. a kind of controllable apparatus for work of no killing well, including traveling slip(1), travelling crossbeam(2), upper platform(3), support column (4), hydraulic lift(6), three flashboard controllers(7), lower layer's platform(8), adjustable fulcrum bearing(9), wellhead assembly(10), Start pressure pipe(11), tubular annular preventer(12), relief pipeline(13), rotary flange(14), 4 adjustable fulcrum bearings (9)Mounted on wellhead assembly(10)Around, lower layer's platform(8)Mounted on adjustable fulcrum bearing(9)On, every adjustable bearing Seat(9)Upper end install a support column(4), upper platform(3)Mounted on support column(4)Upper end, hydraulic lift(6) Hydraulic cylinder be fixed on support column(4)On, move about crossbeam(2)Mounted on hydraulic lift(6)Upper end, traveling slip (1)Mounted on travelling crossbeam(2)On, it is characterized in that:Rotary flange(14)Mounted on lower layer's platform(8)On, rotary flange(14) In wellhead assembly(10)On, rotary flange(14)Energy and wellhead assembly(10)Connection, rotary flange(14)On install three Flashboard controller(7), three flashboard controllers(7)On install tubular annular preventer(12), traveling slip(1), tubular annular Preventer(12), three flashboard controllers(7), rotary flange(14)With wellhead assembly(10)Coaxial line, tubular annular preventer (12)Lower side install relief pipeline(13), tubular annular preventer(12)Upper side installation start pressure pipe (11), start pressure pipe(11)On have valve, relief pipeline(13)On have valve.
2. the controllable apparatus for work of a kind of no killing well according to claim 1, it is characterized in that:Securing device is by 4 support columns (4)Top link into an integrated entity, make support column(4)Top it is firm.
CN201820513315.XU 2018-04-12 2018-04-12 A kind of controllable apparatus for work of no killing well Active CN208057080U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820513315.XU CN208057080U (en) 2018-04-12 2018-04-12 A kind of controllable apparatus for work of no killing well

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820513315.XU CN208057080U (en) 2018-04-12 2018-04-12 A kind of controllable apparatus for work of no killing well

Publications (1)

Publication Number Publication Date
CN208057080U true CN208057080U (en) 2018-11-06

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CN201820513315.XU Active CN208057080U (en) 2018-04-12 2018-04-12 A kind of controllable apparatus for work of no killing well

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109630058A (en) * 2019-01-29 2019-04-16 牡丹江天庆石油机械设备有限公司 A kind of blowout preventer alarm of good airproof performance
CN111206905A (en) * 2018-11-21 2020-05-29 中国石油天然气股份有限公司 Well head braced system

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111206905A (en) * 2018-11-21 2020-05-29 中国石油天然气股份有限公司 Well head braced system
CN111206905B (en) * 2018-11-21 2022-06-03 中国石油天然气股份有限公司 Well head braced system
CN109630058A (en) * 2019-01-29 2019-04-16 牡丹江天庆石油机械设备有限公司 A kind of blowout preventer alarm of good airproof performance

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