CN102704868A - Split-type remote control pressurized operation workover rig - Google Patents

Split-type remote control pressurized operation workover rig Download PDF

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Publication number
CN102704868A
CN102704868A CN201210202700XA CN201210202700A CN102704868A CN 102704868 A CN102704868 A CN 102704868A CN 201210202700X A CN201210202700X A CN 201210202700XA CN 201210202700 A CN201210202700 A CN 201210202700A CN 102704868 A CN102704868 A CN 102704868A
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workover rig
hydraulic
operating pressure
workover
assembly
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CN201210202700XA
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CN102704868B (en
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侯万俊
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TONGHUA PETROCHEMICAL MACHINERY MANUFACTURING Co Ltd
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TONGHUA PETROCHEMICAL MACHINERY MANUFACTURING Co Ltd
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Abstract

The invention relates to vehicle-mounted workover equipment used for an oil field to carry out the pressurized workover operation for a self-injection oil well, a water injection well and a gas well, in particular to a BYJ40-0 split-type remote control pressurized operation workover rig. The split-type remote control pressurized operation workover rig comprises a second-class automotive chassis, an on-vehicle derrick assembly, a winch assembly, a pressurized operation device, a belt pump box assembly, a hydraulic system, a gas circuit system and an electrical system, wherein the workover rig and a hydraulic power source of the well mouth pressurized operation device are integrated on the automotive chassis; the winch of the workover rig adopts a remote-control winch assembly; an electric switch is changed into an air-control electric switch to be fixed on the position on the workover rig, which is far away from the well mouth; the air-control electric switch is controlled by an air cock on a console; and a workover console, a pressurized operation device console and a winch console are integrated on the pressurized operation platform by hydraulic pipelines. The split-type remote control pressurized operation workover rig disclosed by the invention has the characteristics of compact structure, strong safety, strong adaptability, low workover cost, high operation efficiency, small required site, wide application, low labor intensity of driller personnel, and low equipment purchasing cost.

Description

Split type Long-distance Control Operating Pressure workover rig
Technical field
The present invention relates to the vehicular well workover equipment that a kind of oil field is used to carry out whale, water injection well, the workover treatment of gas well band pressure, i.e. the split type Long-distance Control Operating Pressure of BYJ40-0 workover rig.
Background technology
The vehicular workover rig is this be equipped with integral type with split type.The Operating Pressure car machine of integral type is wide and long: wide 3.1m, long 17.2m, and departure angle is little: 12 °, turning radius is big: 14.5m; Require the road surface flat and wide; It is big that the well site area is wanted, and domestic nervous because of the soil, also having a lot of oil fields is mountain areas; So most of oil gas field does not all satisfy such requirement, solving this difficult way is to adopt split type Operating Pressure car.
The at present domestic split type Operating Pressure car that does not also have truly; Prior art is just stopped to the well workover of wanting operation common light maintenance operation workover rig on-the-spot at present; With three semitrailers three containers that well head Operating Pressure device, control system and dynamical system are housed are respectively transported to the scene respectively again, be with the pressure workover treatment after connecting through complicated assembling.The dynamical system of workover rig and control system are contained on the workover rig, and the dynamical system of well head Operating Pressure device and control system are contained in respectively in two containers.In operation process; The control personnel of workover rig stand on the high workover rig platform of 1.4m the winch of workover rig is controlled, and the operation worker works on the job platform that stands in apart from about the 5.7m height of ground, and the control personnel of Operating Pressure device are in pretending apart from well head 20m collection far away for the ease of the situation on the job platform of observing; Because on-the-spot noise is bigger; Tripartite distance is with distant, and language communication is difficulty very, can only the armrest gesture link up.
The deficiency that has existed like this is: 1, tripartite people's communication is not very smooth and easy, cause serious accident easily, and operating efficiency is low.2, occur maloperation easily apart from well head 20m sight equation far away and cause security incident to take place, and the operation place wants big.3, because workover rig winch control personnel are the side-lowers that stand in job platform; Do not understand the situation on the job platform; Have only the gesture operation that depends on the operating personnel, and the winch of this mechanical type brake to be realized Long-distance Control, complex structure; The non-constant of reliability, this in other words structure just can not adopt Long-distance Control.4, in carrying out the Operating Pressure process, workover rig control personnel will be frequently to winch brake, and labour intensity is big especially.5, adopt this Operating Pressure workover rig, two simultaneous firings will be arranged in operation process all the time, consume oily 300kg every day by every motor and calculate, if annual operation 270 days, 162 tons of two annual consumption oil of motors.Fuel consumption causes workover cost high too greatly.6, the electric switch major part of domestic all workover rigs all is contained on the console at present, and in a lot of well a small amount of flammable explosive gas is arranged all, and Operating Pressure cannot be discharged gas again in advance, so abnormally dangerous.Except workover rig will reach another mouthful place, also will employ 5 other devices of carts fortune when moving between 7 well heads, migration cost is too high.
The patent of invention content
The objective of the invention is provides a kind of simple in structure to above-mentioned deficiency, and safe in utilization, workover cost is low and operating efficiency is high, the whole split type Long-distance Control Operating Pressure workover rigs that on job platform, can realize Long-distance Control that labour intensity is low.
Technical solution of the present invention is: split type Long-distance Control Operating Pressure workover rig comprises derrick assembly on two types of automobile chassises, the car, winch assembly, Operating Pressure device, band pump box assembly, hydraulic transmission box assembly, right angle gear box assembly, hydraulic system, air-channel system, electrical system.The hydraulic power supply of workover rig and well head Operating Pressure device concentrates on the automobile chassis, only gets final product with a motor on the workover rig during operation, can save 50 tons of diesel oil at least every year by the algorithm of front like this, also can be less with a transport vehicle during resettlement.The automobile chassis motor is through total power power takeoff rotating band pump box; Drive six hydraulic pump works by the band pump box, hydraulic system mainly comprises: compositions such as hydraulic pump, hydraulic oil container, hydraulic oil radiator, auxiliary hydraulic pressure supporting leg, main hydraulic leg, raising cylinder, derrick telescopic oil cylinder, hydraulic pressure puffer, elevating ram, preventer, blowout prevention slips, pipeline, joint and valve.The workover rig winch adopts Long-distance Control winch assembly; Through hydraulic line and control valve control winch thereof; So just, can the control of winch and the control of well head Operating Pressure device all be fixed on the job platform, control personnel and operating personnel like this and be on the job platform situation of being convenient to observe well head and hook block together; Also convenient the communication, and also can be less with a transport vehicle during resettlement; Change electric switch into the gas control electric switch and also be mechanical compression switch (PEV-1/4-B); Be fixed on the workover rig position away from well head; Control through the manual knob valve of the 23R1-L8-D on console air cock, the electric switch that is about on the console all changes air cock into; The console of workover rig console, Operating Pressure device console, winch is concentrated on the Operating Pressure platform through fluid pressure line.The appearance and size of complete machine is controlled at (length * wide * height) 13.5m * 2.5m * 4.1m, turning radius: 11m, 15 ° of departure angles make complete machine have stronger cross-country ability to be suitable for oil field, various land and to use.
Design two cover workover rig consoles; An afterbody that is fixed on workover rig, one is fixed on the Operating Pressure platform, can switch through pulling the 3-way high-pressure ball valve handle between the two cover consoles; So both Operating Pressure can be carried out, also conventional light maintenance operation can be carried out.
Long-distance Control winch assembly comprises hydraulic control system, brake actuator and roller assembly.Hydraulic control system mainly comprises: compositions such as oil pump, hydraulic oil container, safety valve, overflow valve, one way valve, accumulator, brake valve, urgent knob valve, parking brake valve, pilot operated directional control valve.Brake actuator comprises the brake disc that is installed on drum shaft one end, the braking clamp that engages with brake disc and supports the tong holder composition of braking clamp; Braking clamp divides safety tongs and working clamp.
Band pump box assembly comprises six pumps; One pump is for providing the gear pump of power to each the hydraulic blow out preventer group of Operating Pressure device and the hydraulic pressure puffer of respectively surge slips and bill of lading root etc.; Two pumps are for providing the gear pump of power to the brake system of Long-distance Control winch assembly; Three pumps, six pumps are for providing the axial plunger pump of power to two elevating rams of Operating Pressure device; Four pumps, five pumps are a duplex pump; Wherein the hydraulic pressure puffer that clamps for each hydraulic leg, derrick telescopic oil cylinder and the extract pressuring oil pipe of giving workover rig of four pumps etc. provides power; And in operation process, clamping the gear pump that power is provided to hydraulic oil pipe, five pumps are the gear pump that power is provided to the hydraulic motor of the radiator of whole system hydraulic oil.
Advantage of the present invention is: 1, high safety; 2, compliance is strong; 3, workover cost is low; 4, operating efficiency is high; 5, need the place little; 6, purposes is wide; 7, driller's personnel labor intensity is low; 8, the equipment purchase cost is low.
To combine accompanying drawing that the present invention is described in further detail below.
Description of drawings
Fig. 1 is a job state structure diagram of the present invention.
Fig. 2 is a band pump box assembly structure sketch.
Fig. 3 is a Long-distance Control winch assembly structure sketch.
The specific embodiment
Referring to Fig. 1, this product is that a kind of brand-new oil field that is used for is at the workover rig that also water injection well, flowing well is not carried out under the situation of open flow Operating Pressure without the well killing fluid kill-job.It is following that parts are formed title: compositions such as overhead traveling crane assembly 1, derrick upper body 2, retaining mechanism 3, hook block 4, derrick lower body 5, workover rig console 6, Operating Pressure escape slideway 7, Operating Pressure device console 8, Operating Pressure device 9, hydraulic system 10, air-channel system 11, electrical system 12, automobile chassis 13 (two types), armature assembly 14, band pump box 15 assemblies, hydraulic transmission box assembly 16, right angle gear box assembly 17, Long-distance Control winch assembly 18.Wherein overhead traveling crane assembly 1, derrick upper body 2, retaining mechanism 3, derrick lower body 5 etc. are formed the derrick assembly, conventional 18 meters high 6 meters on the single light maintenance working rig derrick that rises of 24 meters ratios of derrick height, many puffer crown sheavies on the overhead traveling crane.
Workover rig console 6 one has two covers, and a cover is fixed on the workover rig, and another set of being fixed on the job platform 19 switched through transfer valve, makes this equipment both can carry out conventional light maintenance operation, can be with the pressure workover treatment again.And when carrying out Operating Pressure, not only saved an Operating Pressure device console sledge, can also be clear that the concrete condition on hook block and the job platform 19, and link up convenience, smooth and easy with the operation worker.
The driller's console of conventional workover rig is the derrick after-poppet place that is fixed on the ride face, and the driller personnel control the hook block 4 of workover rig through each valve on the operating console and brake handle.Operating Pressure device console sledge is to be placed on apart from well head to have on the ground of certain distance; The internal staff controls each action of each executive component of Operating Pressure device through operating each hydraulic valve handle; Two bit manipulation personnel can not be clear that the situation on the job platform 19, have only to lean on and operate with operation worker hired roughneck formula, have a strong impact on operating efficiency; And be easy to generate to misread and cause maloperation, serious meeting causes the accident.
Hydraulic system 10 is hydraulic systems that the hydraulic system with the hydraulic system of the hydraulic system of conventional workover rig, Long-distance Control winch and Operating Pressure device lumps together.
Referring to Fig. 2, whole system has six hydraulic pumps all to be fixed on band pump box 15 assemblies, is driven by band pump box 15.The component label is: output flange 26, output shaft 27, lift band pump shaft 28, power shaft 29, input flange 30, band pump shaft 42.Wherein a pump 20 is the gear pump of 100 milliliters of discharge capacity revolutions, to each the hydraulic blow out preventer group of Operating Pressure device 9 and the hydraulic pressure puffer of respectively surge slips and bill of lading root etc. power is provided; Two pumps 21 are the gear pump of 32 milliliters of discharge capacity revolutions, power are provided for the brake system of Long-distance Control winch assembly 18; Three pumps 22, six pumps 23 are the axial plunger pump of 160 milliliters of two discharge capacity revolutions, to two elevating rams of Operating Pressure device 9 power are provided; Four pumps 24, five pumps 25 are a duplex pump; Wherein four pumps 24 are the gear pump of 80 milliliters of discharge capacity revolutions; Power is provided for the hydraulic pressure puffer etc. of each hydraulic leg, derrick telescopic oil cylinder and the extract pressuring oil pipe pincers of workover rig, and in operation process, power is provided to the hydraulic oil pipe pincers; Five pumps 25 are the gear pump of 32 milliliters of discharge capacity revolutions, power are provided for the hydraulic motor of the radiator of whole system hydraulic oil.The control valve of the hydraulic pressure puffer of the control valve of entire belt pressure apparatus for work 9 and bill of lading root all is fixed on the job platform 19 in the operation process.Being connected of the hydraulic line of Operating Pressure device 9 parts and workover rig part all is the snap joint of adopting, and only is connected with the pipeline of workover rig and gets final product.And former split Operating Pressure workover rig arrival well site at first will be connected the hydraulic power station sledge that with the motor is power with the console sledge of Operating Pressure device; Again the console sledge is connected with the Operating Pressure device; And distance is far away relatively between the operating personnel on workover rig driller personnel and Operating Pressure device control personnel and the job platform; Link up very difficulty, only lean on hired roughneck's formula to link up, it is accidents caused to misunderstand sometimes.
The source of the gas of air-channel system 11 is the engine-driven air compressor of automobile chassis; Be connected on the gas receiver of automobile chassis 13; All control valves and Long-distance Control winch assembly 18 brake system control valves are fixed on the console, the starting of control Long-distance Control winch clutch assembly, derrick retaining mechanism cylinder, crownblock protector, engine throttle and motor and flame-out gas control electric switch, gearbox shifting department clothes device etc.In a single day all elements of electrical system 12 just can have been avoided having in the well gas to overflow the electrical equipment sparking and caused the accident away from well head like this.Long-distance Control winch assembly 18 is to be split type Operating Pressure car design specially.
Referring to Fig. 3, Long-distance Control winch assembly 18 comprises clutch assembly 31, drum shaft 32, hinge wheel 33, cylinder 34 assemblies, safety tongs 35 assemblies, brake disc 36 assemblies, working clamp 37 assemblies.Wherein clutch assembly 31 is linking together with drum shaft 32 and hinge wheel 33 of gas control; Hinge wheel 33 is normal commentaries on classics in operation process; When the operative combination pressure regulator valve is given the clutch air feed; Carries hook block and tubing string in cylinder 34 rotation, and hook block and tubing string are transferred in clutch cylinder 34 reverse rotation under hook block and tubing string and action of gravity when dying.In cylinder 34 service behaviour parameter areas; The position that the lowering velocity of hook block and hook block will stop is controlled by the working clamp 37 of brake system, and working clamp 37 mainly is made up of one-way cylinder open in usual 41, back-moving spring, leverage 39 and brake shoes 40 etc.When in operation process, needing rest or handling other problem, the operation parking brake handle grip makes safety tongs 35 work, and safety tongs 35 assemblies mainly are made up of one-way cylinder 38, leverage 39 and the brake shoes 40 etc. of the built-in dish spring of normally closed type group.When emergency takes place, need press the brake hard knob immediately, at this moment working clamp 37 is worked with safety tongs 35 simultaneously, realizes snub.Brake disc 36 assemblies are core components of brake system, and one in middle-size and small-size workover rig winch is only joined a brake disc 36, are installed in an end of winch drum 34.The cooling of brake disc 6 is adopted air-cooled; Be provided with the natural ventilation road in brake disc 36 inside; Lean on natural ventilation road and surface radiating, the control of whole like this winch assembly is controlled through hydraulic system and baric systerm, thereby just can realize Long-distance Control; And not electricity consumption, the hidden danger that does not exist electricity to strike sparks.

Claims (4)

1. split type Long-distance Control Operating Pressure workover rig; Comprise derrick assembly on automobile chassis (13), the car, winch assembly, Operating Pressure device (9), band pump box (15) assembly, hydraulic transmission box assembly (16), right angle gear box assembly (17), hydraulic system (10), air-channel system (11), electrical system (12), it is characterized in that the hydraulic power supply of workover rig and Operating Pressure device (9) concentrates on the automobile chassis (13); The workover rig winch adopts Long-distance Control winch assembly (18); Change electric switch into the gas control electric switch and be fixed on the workover rig, control through the air cock on the console away from the position of well head; The console of workover rig console (6), Operating Pressure device console (8), winch is concentrated on the Operating Pressure platform (19) through fluid pressure line.
2. according to the described split type Long-distance Control Operating Pressure workover rig of claim 1, it is characterized in that designing two cover workover rig consoles, an afterbody that is fixed on workover rig, one is fixed on the Operating Pressure platform (19), can switch between the two cover consoles.
3. according to the described split type Long-distance Control Operating Pressure workover rig of claim 1, it is characterized in that being with the pump box assembly to comprise six pumps; One pump (20) is for providing the gear pump of power to each the hydraulic blow out preventer group of Operating Pressure device and the hydraulic pressure puffer of respectively surge slips and bill of lading root etc.; Two pumps (21) are for providing the gear pump of power to the brake system of Long-distance Control winch assembly; Three pumps (22), six pumps (23) are for providing the axial plunger pump of power to two elevating rams of Operating Pressure device; Four pumps (24), five pumps (25) are a duplex pump; Wherein the hydraulic pressure puffer that clamps for each hydraulic leg, derrick telescopic oil cylinder and the extract pressuring oil pipe of giving workover rig of four pumps (24) etc. provides power; And in operation process, clamping the gear pump that power is provided to hydraulic oil pipe, five pumps (25) are the gear pump that power is provided to the hydraulic motor of the radiator of whole system hydraulic oil.
4. according to the described split type Long-distance Control Operating Pressure workover rig of claim 1, it is characterized in that Long-distance Control winch assembly (18) comprises hydraulic control system, brake actuator and roller assembly; Brake actuator comprises the brake disc (36) that is installed on drum shaft (32) one ends, the braking clamp that engages with brake disc (36) and supports the tong holder composition of braking clamp; Braking clamp divides safety tongs (35) and working clamp (37).
CN201210202700.XA 2012-06-19 2012-06-19 Split-type remote control pressurized operation workover rig Active CN102704868B (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103485735A (en) * 2013-09-13 2014-01-01 中国石油大学(华东) Automatic pulling service system and operating method
CN111322035A (en) * 2020-04-02 2020-06-23 山东天汇石油技术有限公司 Oil well under-pressure operation device and method capable of quickly and safely escaping
CN113250629A (en) * 2021-05-27 2021-08-13 杨承武 Electromechanical integrated workover rig

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050114001A1 (en) * 2002-11-25 2005-05-26 Key Energy Services, Inc. Multiple sensor for preventing a crown-block incursion on an oil well rig
CN2797609Y (en) * 2005-04-29 2006-07-19 吉林石油集团有限责任公司 Novel vehicle-carried travelling type electric driven 10 tons well reparing machine
CN200974755Y (en) * 2006-11-08 2007-11-14 任丘市博科机电新技术有限公司 Hydraulic controlled driller disc type brake apparatus
CN201056986Y (en) * 2007-07-04 2008-05-07 吉林石油集团有限责任公司 Non-decompressing workover rig for water injection well
CN101215958A (en) * 2007-12-27 2008-07-09 沈阳工业大学 Oilfield broad and constant power frequency-variable speed-regulating electric workover rig
CN201202401Y (en) * 2008-06-04 2009-03-04 通化石油化工机械制造有限责任公司 Non- guy rope well repairing machine
CN201560707U (en) * 2009-12-01 2010-08-25 海城市石油机械制造有限公司 Petroleum electrohydraulic workover rig with two operation chamber
CN201650156U (en) * 2010-04-22 2010-11-24 通化石油化工机械制造有限责任公司 Full-power power take-off hydraulic mechanical workover rig
US20110079568A1 (en) * 2009-10-01 2011-04-07 Robert Eugene Mau Guyless service rig with side-mounted, pivotally deployable rear outriggers
US20120045964A1 (en) * 2010-08-18 2012-02-23 Santiago Ibarra Toy workover rig
CN202611622U (en) * 2012-06-19 2012-12-19 通化石油化工机械制造有限责任公司 Split-type remote control pressured operation well service hoist

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050114001A1 (en) * 2002-11-25 2005-05-26 Key Energy Services, Inc. Multiple sensor for preventing a crown-block incursion on an oil well rig
CN2797609Y (en) * 2005-04-29 2006-07-19 吉林石油集团有限责任公司 Novel vehicle-carried travelling type electric driven 10 tons well reparing machine
CN200974755Y (en) * 2006-11-08 2007-11-14 任丘市博科机电新技术有限公司 Hydraulic controlled driller disc type brake apparatus
CN201056986Y (en) * 2007-07-04 2008-05-07 吉林石油集团有限责任公司 Non-decompressing workover rig for water injection well
CN101215958A (en) * 2007-12-27 2008-07-09 沈阳工业大学 Oilfield broad and constant power frequency-variable speed-regulating electric workover rig
CN201202401Y (en) * 2008-06-04 2009-03-04 通化石油化工机械制造有限责任公司 Non- guy rope well repairing machine
US20110079568A1 (en) * 2009-10-01 2011-04-07 Robert Eugene Mau Guyless service rig with side-mounted, pivotally deployable rear outriggers
CN201560707U (en) * 2009-12-01 2010-08-25 海城市石油机械制造有限公司 Petroleum electrohydraulic workover rig with two operation chamber
CN201650156U (en) * 2010-04-22 2010-11-24 通化石油化工机械制造有限责任公司 Full-power power take-off hydraulic mechanical workover rig
US20120045964A1 (en) * 2010-08-18 2012-02-23 Santiago Ibarra Toy workover rig
CN202611622U (en) * 2012-06-19 2012-12-19 通化石油化工机械制造有限责任公司 Split-type remote control pressured operation well service hoist

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103485735A (en) * 2013-09-13 2014-01-01 中国石油大学(华东) Automatic pulling service system and operating method
CN103485735B (en) * 2013-09-13 2016-02-17 中国石油大学(华东) A kind of automation rountrip system and method for operating
CN111322035A (en) * 2020-04-02 2020-06-23 山东天汇石油技术有限公司 Oil well under-pressure operation device and method capable of quickly and safely escaping
CN111322035B (en) * 2020-04-02 2021-12-07 江苏瑞亿石油机械有限公司 Oil well under-pressure operation device and method capable of quickly and safely escaping
CN113250629A (en) * 2021-05-27 2021-08-13 杨承武 Electromechanical integrated workover rig

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Denomination of invention: Split remote control workover rig with pressure

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