CN201567958U - Vehicle-mounted drilling machine for coal bed gas - Google Patents
Vehicle-mounted drilling machine for coal bed gas Download PDFInfo
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- CN201567958U CN201567958U CN2009202780962U CN200920278096U CN201567958U CN 201567958 U CN201567958 U CN 201567958U CN 2009202780962 U CN2009202780962 U CN 2009202780962U CN 200920278096 U CN200920278096 U CN 200920278096U CN 201567958 U CN201567958 U CN 201567958U
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Abstract
A vehicle-mounted drilling machine for coal bed gas is applicable to coal bed gas drilling. A hoisting system, which can upwards rotate and be upright, is fixed at the tail part of an automobile body, and comprises an upper derrick body and a lower derrick body; a crown block is fixed at the top of the upper derrick body; a hook-block system of the upper derrick body and a power swivel are connected to the lower part of the crown block through a steel wire rope pulley block; a control box is fixed at the lower part of the upper derrick body; a drill stand, which overturns backward to be horizontal-shaped, is arranged at the tail part of the automobile body; a brake system is arranged at the upper part of the drill stand; a power slip is hung at the lower part of the drill stand; a main winch is fixed on the automobile body; a steel wire rope on a main winch drum passes through a fixed pulley of the crown block and the hook-block system to form a traveling system; and a small hydraulic winch is fixed on the automobile body. The vehicle-mounted drilling machine has the benefits that a well-head spinner assembly is dispensed with, a well-head space is simplified, the sizes of the derricks and the drill stand are decreased, the transportability is enhanced, the using area of a well site is reduced, and the requirement of the coal bed gas drilling is met.
Description
Technical field
The utility model relates to the drilling technology field, particularly a kind of high efficiency of suitable coal-bed gas exploitation, small size and truck-mounted drilling rig cheaply.
Background technology
China's coal-bed gas exploitation because yield poorly, factor such as environment landform road complexity of living in and well site area are little, need rig efficient height, volume is little, cost is low and movement is quick.
At present, water source rig, oil-well rig, the external hydraulic pressure truck-mounted drilling rigs of adopting in the domestic coal-bed gas exploitation more.The major advantage of water source rig is that cost is low, movement is good, and equipment is simple, and is easy to maintenance, can be adapted to the coal-bed gas exploitation under complex-terrain, the environment.The water source rig adopts rotating disk to drive, and rig substructure directly drops on ground during operation, does not have the blowout prevention system, does not have solid controlling systems such as vibrosieve, and labor strength is big, and more complicated is installed, and it is bigger to take up room, and movement is slower.The top layer drilling well does not have compression system, and the top layer bit speed is slow.
Eight big systems are sound during the oil-well rig exploiting coal bed methane, adopt rotating disk to drive, but low load with strong power during with the oil-well rig exploiting coal bed methane, the power affluence, the while volume is big, and it is bigger to take up room, and is not suitable for the movement of complex-terrains such as mountain region.The top layer drilling well does not have compression system, and the top layer bit speed is slow.
External hydraulic drill rig carries out coal-bed gas exploitation as avenging the nurse rig, and is advanced in performance, easy and simple to handle, installs simply, and it is little to take up room, and movement is quick, and simple and easy preventer can be installed, but the complexity of maintenance, and price is very expensive.
The utility model content
The purpose of this utility model is: a kind of coal bed gas truck-mounted drilling rig is provided, can realize removing drill string, setting of casing, and have the efficient height, volume is little and movement characteristics efficiently, thereby it is big to solve water source rig labor strength, more complicated is installed, it is bigger to take up room, and movement is slower, and the top layer bit speed is slow; Overcome oil-well rig exploiting coal bed methane low load with strong power, it is bigger to take up room, and movement is slower, and the top layer bit speed is slow; And external hydraulic pressure truck-mounted drilling rig is safeguarded complexity, the deficiency that price is very expensive in coal-bed gas exploitation.
The technical solution adopted in the utility model is: the coal bed gas truck-mounted drilling rig, mainly form by overhead traveling crane, derrick upper body, derrick lower body, combination hook-block system, power swivel, control cabinet, brake system, rig floor, power slip, hydraulic support leg, hydraulic pressure puffer, main winch, car body and diesel engine and transmission system thereof.Diesel engine and transmission system thereof are arranged on car body, hydraulic support leg is arranged at two side lower parts of car body; It is characterized in that: be fixed with at the afterbody of car body and can rotate up upright hoisting system, hoisting system comprises derrick upper body and derrick lower body, top in the derrick upper body is fixed with overhead traveling crane, is connected with derrick upper body combination hook-block system and power swivel in the bottom of overhead traveling crane by the wire rope pulley group.Bottom in the derrick upper body is fixed with control cabinet.Turn over into horizontal rig floor at the afterbody of car body, brake system is arranged, be hung with power slip in the bottom of rig floor on the top of rig floor.Be fixed with main winch on car body, the wire rope on the main winch cylinder is formed traveling system by overhead traveling crane fixed pulley and combination hook-block system.On car body, be fixed with the hydraulic pressure puffer.
Described power swivel is between slideway, and described slideway is made up of for the spill guide rail two parallel cross sections, is welded with two spill guide rails respectively in derrick upper body and derrick lower body inboard.The parallel guide wheel of two rows is arranged in the power swivel both sides, and two row's guide wheels of power swivel can reciprocatingly slide on the spill guide rail of derrick lower body and derrick upper body.This structure can guarantee that power swivel has at least row's guide wheel to slide on the spill slideway when drillng operation.During the rig travel position, the parallel guide wheel of two rows of power swivel is in the spill guide rail on derrick lower body and the derrick upper body.
The coal bed gas truck-mounted drilling rig, the upright suit of derrick; The derrick open front; 4 * 3 traveling systems; Brake modes: band is stopped; The type of cooling: Forced water cooling; Be equipped with a 3t hydraulic pressure puffer.Rotary system: power swivel drives rotation, and integrated with derrick.Rig floor: rig floor and car one strengthen movement; The platform that temporarily wafts is installed is increased working area; Reserve the simple and easy preventer of well head space mounting.Can join the circulating system: F-500 of configuration slush pump; One of one in configuration vibrosieve and mud ditch.Control system: control cabinet and brake are placing the derrick side; Machinery control is adopted in brake; Gas control is adopted in clutch, gear shift etc.; Power swivel, aid adopt hydraulic control.Aid: but but but hydraulic power torsion chain wrench, drilling rod special use bearing torque elevator, drill collar special use bearing torque elevator, sleeve pipe special use bearing torque elevator etc. cooperate with power slip and power swivel realizes drill-well operation, save conventional rig tool and dwindled the well head space, strengthen operability, reduce equipment cost.
Power swivel derrick integral structure: rig adopts upright mast type derrick, and the mode of the transportation of derrick rig one, operation is identical with conventional truck-mounted drilling rig.Different is that the utility model transports power swivel and derrick, car body one, can simplify rig installation, moving time greatly.
Special-purpose rig tool:
1) power swivel: power swivel two side guide wheels slide in the inboard spill slideway of derrick.
2) power slip: power slip is installed in the rig floor well head, replaces the big quadrel of rotating disk.
3) but drill collar special use bearing torque elevator: constitute by two parts short circuit up and down, but the bearing torque short circuit power swivel that is threaded on the drill collar special use bearing torque elevator, but the bearing torque short circuit drill collar that is threaded under the drill collar special use bearing torque elevator, but two parts short circuit is connected by drill collar special use bearing torque elevator connecting pin.But but moment of torsion anti-twisting equipment on the drill collar special use bearing torque elevator all is equipped with in bearing torque short circuit and power swivel coupling part on the drill collar special use bearing torque elevator.But but moment of torsion anti-twisting equipment under the drill collar special use bearing torque elevator is equipped with in bearing torque short circuit and drill collar coupling part under the drill collar special use bearing torque elevator.
4) but drilling rod sleeve pipe special use bearing torque elevator: but drilling rod sleeve pipe special use bearing torque Elevator structure is similar, constitute by two parts short circuit, but the bearing torque short circuit power swivel that is threaded on the drilling rod sleeve pipe special use bearing torque elevator, but bearing torque short circuit jointed rod or sleeve pipe under the drilling rod sleeve pipe special use bearing torque elevator, but two parts short circuit is connected by drilling rod sleeve pipe special use bearing torque elevator connecting pin; The similar conventional elevator of bearing torque short circuit, opening is greater than this body diameter that promotes tubing string, less than the string collar external diameter, but but drilling rod sleeve pipe special use bearing torque elevator bearing torque mechanism is housed on the drilling rod sleeve pipe special use bearing torque elevator baffle plate, contact with string collar but but drilling rod sleeve pipe special use bearing torque elevator baffle plate fastens back drilling rod sleeve pipe special use bearing torque elevator bearing torque mechanism, the power swivel moment of torsion can pass to tubing string by bearing torque mechanism.But but moment of torsion anti-twisting equipment on the drilling rod sleeve pipe special use bearing torque elevator is equipped with in drilling rod sleeve pipe special use bearing torque elevator and power swivel coupling part.
5) tubing string lifting appliance: this tubing string lifting instrument is realized tubing string moving between rig floor and well site by the hydraulic pressure puffer.This tubing string promotes tool construction and is made of two parts, and tubing string promotes the instrument righting mechanism and blocks the tubing string body, but tubing string lifting instrument is held up the buckle folding, and tubing string promotes the instrument load carrier and connects tubing string public access hoop, and two parts are linked together by wire rope.
6) tubing string conveyer: be installed in derrick one side, can 120 ° of rotations; The tubing string conveyer is by tubing string conveyer righting mechanism, and tubing string conveyer load carrier and rotating mechanism are formed; The tubing string conveyer of tubing string conveyer righting mechanism is set upright pincers and is clamped the tubing string body by hydraulic cylinder, tubing string conveyer reference column can place the tubing string endoporus, prevent that tubing string from moving, simultaneously tubing string conveyer bearing torque pincers clamp tubing string by hydraulic cylinder, are the reaction torque of tubing string can bear the power swivel rotation time.
7) hydraulic power torsion chain wrench: be installed near the well head, it highly can be transferred up and down by hydraulic wireline winch, and it handles drilling tool external diameter ability is 80-500mm, moment of torsion 10-100kNm.
Auxiliary feeder apparatus: overhead traveling crane is logical to be connected with derrick upper body bolt, drives power swivel by the combination hook-block system and moves up and down; Uniform two fixed pulleys in both sides, power swivel bottom, rig floor plane well head one side is arranged a fixed pulley, a side is arranged water booster system wire rope dead line anchor.Dispose the power of a 3t hydraulic pressure puffer as auxiliary water booster system, the hydraulic pressure puffer is realized enhanced feature by the fixed pulley of arranging on the overhead traveling crane.Auxiliary water booster system wire rope one end connects water booster system wire rope dead line anchor, and an end slips over uniform two fixed pulleys in both sides, power swivel bottom successively, rig floor plane well head one side is arranged a fixed pulley, finally is connected with the hook of hydraulic pressure puffer.
When needs pressurization operation: auxiliary water booster system wire rope one end connects water booster system wire rope dead line anchor, one end slips over uniform two fixed pulleys in both sides, power swivel bottom successively, rig floor plane well head one side is arranged a fixed pulley, finally is connected with the hook of hydraulic pressure puffer; Power swivel (drive on the top) connects running string; Open the hydraulic pressure puffer, the hydraulic pressure small winch wire rope arranges that by fixed pulley, rig floor plane well head one side of arranging on the overhead traveling crane fixed pulley, uniform two fixed pulleys in both sides, power swivel bottom, a water booster system wire rope dead line anchor are converted into the lifting force of hydraulic pressure puffer the pressure of tubing string by the hydraulic pressure puffer successively.By the control of puffer hydraulic system, can realize accurately pressurization in the 0-6t scope.After the pressurization operation was finished, the water booster system wire rope dead line of dismantling got final product, and does not influence follow-up normal drillng operation.
The beneficial effects of the utility model: the utility model coal bed gas truck-mounted drilling rig, can effectively satisfy coal bed gas drilling well requirement, have following advantage: the design specialized rig tool cooperates with power swivel finishes drillng operation, saved the well head spinner assembly, simplify the well head space, reduction derrick, rig floor size strengthen movement, reduce the well site usable floor area; Design specialized loads the pressure of the drill device, increases the rate of penetration of shallow-layer; Rig adopts power swivel and derrick integrated design, and single creeping into strengthens movement, simplifies and installs, and strengthens processing accident ability simultaneously; Adopt vehicular, strengthen movement, reduce set-up time and well site area by alleviating the on-vehicle parts total amount; Adopt the mechanical-hydraulic combination drive, the maintainability of rig is good, cost is low; No rat hole reduces drilling well time and aid etc.; Be equipped with the simple wellhead blowout hookup, the well control that satisfies the coal bed gas drilling well requires etc.
Description of drawings
Fig. 1 is the utility model coal bed gas truck-mounted drilling rig travel position schematic diagram.
Among the figure, 7. overhead traveling crane, 8. derrick upper body, 9. derrick lower body, 10. combination hook-block system, 11. power swivel, 12. control cabinets, 13. brake system, 14. rig floors, 15. power slips, 16. hydraulic support leg, 17. hydraulic pressure puffers, 18. main winch, 19. car bodies, 20. diesel engines and transmission system thereof.
The specific embodiment
Embodiment 1: with a coal bed gas truck-mounted drilling rig is example, and the utility model is described in further detail.
Consult Fig. 1.The coal bed gas truck-mounted drilling rig mainly is made up of overhead traveling crane 7, derrick upper body 8, derrick lower body 9, combination hook-block system 10, power swivel 11, control cabinet 12, brake system 13, rig floor 14, power slip 15, hydraulic support leg 16, hydraulic pressure puffer 17, main winch 18, car body 19 and diesel engine and transmission system 20 thereof.Diesel engine and transmission system 20 thereof are arranged on car body 19, hydraulic support leg 16 is arranged at two side lower parts of car body 19.Transmission system: vehicle-mounted diesel engine passes to transfer case by power transmission shaft with power.Transfer case is divided into the front and back bridge that three tunnel, one road power is passed to car with power; One the tunnel passes to the cylinder of main winch 18 with power through fluid coupling, right angle gear box, and one road power is passed to hydraulic pump, and hydraulic pump provides hydraulic power.
Be fixed with one at the afterbody of car body 19 and can rotate up upright hoisting system, hoisting system comprises derrick upper body 8 and derrick lower body 9, be fixed with an overhead traveling crane 7 at the top of derrick upper body 8, be connected with derrick upper body 8 combination hook-block systems 10 and power swivel 11 by the wire rope pulley group in the bottom of overhead traveling crane 7.The outside, bottom in derrick upper body 8 is fixed with a control cabinet 12.The coal bed gas truck-mounted drilling rig in the process of walking, hoisting system lies in a horizontal plane in the top of car body 19; Hoisting system raises into erectility by hydraulic cylinder with derrick upper body 8, derrick lower body 9 when needing work.Power swivel 11 is between slideway, and described slideway is made up of for the spill guide rail two parallel cross sections, is welded with two spill guide rails respectively in derrick upper body 8 and derrick lower body 9 inboards.The parallel guide wheel of two rows is arranged in power swivel 11 both sides, and two row's guide wheels of power swivel 11 can reciprocatingly slide on the spill guide rail of derrick lower body 8 and derrick upper body 9.
Turn over into horizontal rig floor 14 at the afterbody of car body 19, brake system 13 is arranged, be hung with a power slip 15 in the bottom of rig floor 14 on the top of rig floor 14.Be fixed with main winch 18 on car body 19, the wire rope on main winch 18 cylinders is formed traveling system by overhead traveling crane 7 fixed pulleys and combination hook-block system 10.On car body 19, be fixed with hydraulic pressure puffer 17.Power slip 15 centers and vertical well head.
This rig tool cooperates power swivel 11 operations to be achieved in that
Tripping method: replace traditional " two elevator " and make a trip, realize by power slip 15 and special-purpose elevator.Hydraulic power torsion chain wrench is finished the button operation of linking closely, stretch tight of tubing string; Power swivel 11 is finished the spinner operation of tubing string.
Creep into down brill:
1, following drill collar process:
1) earlier that drill collar is locked with drill collar with power slip 15;
2) adjust hydraulic power chain wrench height, the hydraulic power chain wrench is clamped up and down align the box cupling that power swivel 11 is connected with drill collar respectively, finish the shackle of drill collar;
3) power swivel 11 swivel shackles promote instrument with tubing string simultaneously and drill collar ground connects;
4) with hydraulic pressure puffer 17 drill collar is risen on the tubing string conveyer, the tubing string conveyer is locked drill collar;
5) the tubing string conveyer rotates to well head with drill collar, and the drill collar of transferring on power swivel 11 and the tubing string conveyer links closely in advance.The tubing string conveyer discharges drill collar and whiz well head;
6) transfer power swivel 11 and the drill collar that just is connected, drill collar that power swivel 11 connects and the drill collar make-up on the power slip 15; Rotary power water tap 11 is finished the spinner of two drill collars;
7) finish linking closely between drill collar with hydraulic power torsion chain wrench, finish linking closely between power swivel 11 and the drill collar with power swivel 11 rotations.
8) remove hydraulic power torsion chain wrench, discharge power slip 15, finish the going down process of drill collar.
2, the similar process of following drilling rod process and following drill collar.
Creep into trip-out:
1, plays drill collar
1) with power slip 15 that drill collar is locked earlier;
2) adjust hydraulic power torsion chain wrench height, hydraulic power torsion chain wrench is clamped up and down align the box cupling that power swivel 11 is connected with drill collar respectively, finish the shackle of drill collar;
3) power swivel 11 swivel shackles;
4) but drill collar special use bearing torque elevator is threaded onto with power swivel 11, but and fix with moment of torsion anti-twisting equipment on the drill collar special use bearing torque elevator;
5) but with drill collar make-up and spinner on drill collar special use bearing torque elevator and the power slip 15, but revolved moment of torsion anti-twisting equipment under the drill collar special use bearing torque elevator;
6) mention and connect drill collar, until female box cupling upper surface of root drill collar down apart from rig floor 500mm;
7) with power slip 15 that drill collar is locked, hydraulic power torsion chain wrench is finished the button that stretches tight between two drill collars;
8) but power swivel 11 drives drill collar special use bearing torque elevator spinners, finish shackle between two drill collars;
9) use hydraulic pressure puffer 17 drill collar tiltedly is put into ground, but but extract the drill collar special use bearing torque elevator connecting pin of drill collar special use bearing torque elevator 24 centres, drill collar is put into ground;
10) but connect drill collar special use bearing torque elevator, repeating step 5)～9) just can finish drill collar and pull out of hole.
But employing drilling rod sleeve pipe special use bearing torque elevator with a drill collar similar process, when difference is to take off drilling rod, gets final product but open drilling rod sleeve pipe special use bearing torque elevator bearing torque mechanism when 2, playing drilling rod, but does not need to take off the connecting pin of drilling rod sleeve pipe special use bearing torque elevator.
Setting of casing:
But setting of casing adopts drilling rod sleeve pipe special use bearing torque elevator, and creeps into down the drilling rod similar process.Uniquely different be: hydraulic pressure puffer 17 promotes instrument by tubing string directly mentions sleeve pipe, but cooperates the workman to finish being connected of sleeve pipe special use bearing torque elevator and sleeve pipe.
Claims (2)
1. a coal bed gas truck-mounted drilling rig is characterized in that: the coal bed gas truck-mounted drilling rig, mainly by overhead traveling crane (7), derrick upper body (8), derrick lower body (9), combination hook-block system (10), power swivel (11), control cabinet (12), brake system (13), rig floor (14), power slip (15), hydraulic support leg (16), hydraulic pressure puffer (17), main winch (18), car body (19) and diesel engine and transmission system (20) thereof are formed, diesel engine and transmission system (20) thereof are arranged on car body (19), hydraulic support leg (16) is arranged at two side lower parts of car body (19); It is characterized in that: be fixed with at the afterbody of car body (19) and can rotate up upright hoisting system, hoisting system comprises derrick upper body (8) and derrick lower body (9), be fixed with overhead traveling crane (7) at the top of derrick upper body (8), bottom at overhead traveling crane (7) is connected with derrick upper body (8) combination hook-block system (10) and power swivel (11) by the wire rope pulley group, be fixed with control cabinet (12) in the bottom of derrick upper body (8), turn over into horizontal rig floor (14) at the afterbody of car body (19), on the top of rig floor (14) brake system (13) is arranged, be hung with power slip (15) in the bottom of rig floor (14), on car body (19), be fixed with main winch (18), wire rope on main winch (18) cylinder is formed traveling system by overhead traveling crane (7) fixed pulley and combination hook-block system (10), is fixed with hydraulic pressure puffer (17) on car body (19).
2. coal bed gas truck-mounted drilling rig according to claim 1, it is characterized in that: described power swivel (11) is between slideway, described slideway is made up of for the spill guide rail two parallel cross sections, parallelly respectively in derrick upper body (8) and derrick lower body (9) inboard be welded with two spill guide rails, the parallel guide wheel of two rows is arranged in power swivel (11) both sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202780962U CN201567958U (en) | 2009-12-16 | 2009-12-16 | Vehicle-mounted drilling machine for coal bed gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202780962U CN201567958U (en) | 2009-12-16 | 2009-12-16 | Vehicle-mounted drilling machine for coal bed gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201567958U true CN201567958U (en) | 2010-09-01 |
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ID=42660245
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202780962U Expired - Lifetime CN201567958U (en) | 2009-12-16 | 2009-12-16 | Vehicle-mounted drilling machine for coal bed gas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201567958U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106285467A (en) * | 2016-08-22 | 2017-01-04 | 中煤科工集团西安研究院有限公司 | A kind of truck-mounted drilling rig being applicable to ground coal bed gas wellbore construction and construction method |
-
2009
- 2009-12-16 CN CN2009202780962U patent/CN201567958U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106285467A (en) * | 2016-08-22 | 2017-01-04 | 中煤科工集团西安研究院有限公司 | A kind of truck-mounted drilling rig being applicable to ground coal bed gas wellbore construction and construction method |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100901 |
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| CX01 | Expiry of patent term |