CN203008843U - Blowout-preventing operation device for stripping sucker rod in oil field with pressure - Google Patents
Blowout-preventing operation device for stripping sucker rod in oil field with pressure Download PDFInfo
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- CN203008843U CN203008843U CN 201220748802 CN201220748802U CN203008843U CN 203008843 U CN203008843 U CN 203008843U CN 201220748802 CN201220748802 CN 201220748802 CN 201220748802 U CN201220748802 U CN 201220748802U CN 203008843 U CN203008843 U CN 203008843U
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- pressure
- oil
- sucker rod
- oil field
- preventer
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Abstract
The utility model discloses a blowout-preventing operation device for stripping a sucker rod in the oil field with pressure. The device comprises a main machine, wherein the main machine is provided with supporting pipes; fixed pins are arranged on the supporting pipes; a lifting oil rod is fixed on the main machine; and a double-flashboard sucker rod blowout preventer, a lower annular blowout preventer, an upper annular blowout preventer and a traveling slip which are communicated with each other are fixed on the lifting oil rod sequentially from top to bottom. After optimization, a bypass valve is arranged on the upper annular blowout preventer; and adjusting lead screws are arranged at the lower parts of at least three of the four supporting pipes. The device has the advantage of providing guarantee for operation in the oil field with pressure.
Description
Technical field
The present invention relates to oil well control equipment technical field, especially relate to a kind of oil field actuating oil-pumping unit gushing-proof operation equipment with pressure.
Background technology
Oilfield pumping well causes blowout because 1 ~ 5MPa pressure is arranged because of the existence of stratum water filling effect and the shallow natural gas in stratum sometimes in the process that proposes sucker rod, abnormally dangerous.That is, its box cupling of the sucker rod in down-hole oil tube position is more much bigger than sucker rod body, and on every sucker rod, a nylon centralising device is arranged, and its diameter can reach φ 56mm ~ φ 58mm.This sucker rod body can't seal with helicla flute, thereby when proposing sucker rod, can only adopt two special types to surge the tubular annular preventer box cupling, joint, centralizer derivation, and can not use large diameter coupling centralizer directly to propose by force under air-proof condition.When well is pressed in 1 ~ 5MPa situation, down-hole pressure namely can reach 50kg ~ 250kg upper top power (pressing φ 25mm sucker rod calculates) to the upper top power of sucker rod, and 1 " every weight of sucker rod is that 33kg(8 rice is long); Thereby well presses and to reach 1MPa when above, and finally several sucker rods just have the possibility of altering.If can have the well pressure (also can propose sucker rod smoothly in 1 ~ 5MPa) situation, will keep strata pressure not lose, do not pollute the stratum, do not pollute ground environment, thereby reach the purpose of proposition sucker rod operation with pressure.
Summary of the invention
The purpose of this invention is to provide a kind of oil field actuating oil-pumping unit gushing-proof operation equipment with pressure, it has the advantages that to provide safeguard for oil well operation under pressure.
The technical solution adopted in the present invention is: oil field actuating oil-pumping unit gushing-proof operation equipment with pressure, comprise main frame, this main frame is provided with stay pipe, this stay pipe is provided with steady pin, be fixed with the lifting beam hanger on described main frame, from bottom to top be fixed with successively the double-gate sucker rod blow-out preventer that is interconnected, lower annular preventer, upper annular preventer and traveling slip on this lifting beam hanger.
Described upper annular preventer is provided with bypass valve.
Described stay pipe is 4, and the bottom of at least 3 stay pipes is provided with adjusting screw.
The advantage that compared to the prior art the present invention has is: can provide safeguard for oil well operation under pressure.The pressure that oil field of the present invention actuating oil-pumping unit gushing-proof operation equipment with pressure can be mentioned lower sucker rod in process is progressively discharged and is cushioned by slips and preventer, thereby has guaranteed the Operating Pressure of oil well.
Description of drawings
Fig. 1 is the front view (broken section) of embodiments of the invention.
In figure: 1, double-gate sucker rod blow-out preventer; 2, lower annular preventer; 3, upper annular preventer; 4, traveling slip; 5, stay pipe; 6, lifting beam hanger; 7, steady pin; 8, adjusting screw; 9, bypass valve.
The specific embodiment
Embodiment, as shown in Figure 1: oil field actuating oil-pumping unit gushing-proof operation equipment with pressure, comprise main frame, this main frame is provided with stay pipe 5, and this stay pipe 5 is provided with steady pin 7.Obviously, this steady pin 7 is used for the extension elongation of adjusting support bar 5.Simultaneously, be fixed with lifting beam hanger 6 on this main frame, from bottom to top be fixed with successively the double-gate sucker rod blow-out preventer 1, lower annular preventer 2, upper annular preventer 3 and the traveling slip 4 that are interconnected on this lifting beam hanger 6.This traveling slip 4 can carry out lifting under the effect of this lifting beam hanger 6.
Optimize, on this, annular preventer 3 is provided with bypass valve 9.Certainly, this bypass valve 9 can be connected in foul water tank by sebific duct.
Further, this stay pipe 5 is 4, and the bottom of at least 3 stay pipes 5 is provided with adjusting screw 8.
The operating process of this oil field actuating oil-pumping unit gushing-proof operation equipment with pressure is:
1, sucker rod is dropped to the end, make oil pump plunger piston fall the end, prevent from that well from pressing to channel to well head.
2, remove above valve sets and the polished rod of a valve of production wellhead big four top.
3, the hoisting main of this oil field actuating oil-pumping unit gushing-proof operation equipment with pressure above the well head big four, after steady to the valve hoop that covers on upper big four (noting first installing steel ring) seat, first-class clip, the stay pipe 5 of main frame is put down, be plugged steady pin 7, fine setting adjusting screw 8 supports on the ground, makes big four no longer stressed.
4, the hook sucker rod of slinging is put into main through hole and bottom sucker rod to connecting.
5, make annular preventer 3, lower annular preventer 2 be in closed condition, and will adjust oil pressure for down-hole pressure, generally the oil pressure ratio well presses large 1MPa to get final product, but the pass is too not tight.
6, all the other hydraulic blowout preventers, slips etc. all are in the state of opening; Lifting beam hanger 6 is in below halted state.
7, carry sucker rod on hook, when estimating that coupling centralizer is near lower annular preventer 2 below, should slow down and carry on slow in one's movements.Carry on should stopping when annular preventer 2 closing presure meter pressures have the rising fine motion under observing, open in the rear continuation of lower annular preventer 2 and carry.Should close immediately lower annular preventer 2 after coupling centralizer has been crossed time annular preventer 2, then open annular preventer 3, hook proposes coupling centralizer to stop after main frame to carry, and lays down box cupling and centralizer.Have one section pressure oil spray waterborne in the middle of when opening upper annular preventer 3, there is a gear profit rubber board at place suitable for reading at upper annular preventer 3, can block on profit and spray, a small amount of profit of ejection can flow to by sebific duct from the bypass valve 9 of side outlet and specify in foul water tank, prevents from polluting surrounding environment.
8, can only need when estimating not have box cupling that upper annular preventer 3 cuts out, lower annular preventer 2 is opened; When making next box cupling arrive upper annular preventer 3 bottom, then make that lower annular preventer 2 cuts out, upper annular preventer 3 is opened, derive box cupling.
9, when finding upper top power is arranged, can start slip flashboard and traveling slip 4 in lifting beam hanger 6, double-gate sucker rod blow-out preventer 1 when altering phenomenon on sucker rod has, about 1.2 meters derivation sucker rods of the each lifting of system and coupling centralizer.
10, all mention the valve of oil recovery big four top when above when underground sucker rod and oil pump plunger piston, can close complete shut-in well mouthful, remaining beyond sucker rod and plunger proposition main frame.
11, remove the operation main frame, the valve place installs a rising threeway additional and (makes of φ 73 oil pipes above big four, can hold blanking plug in oil pipe gets final product), adopt give up pressing type blanking plug in oil pipe or minor diameter (φ 50) steel wire to send the following formula blanking plug in oil pipe good the downhole oil pipe plug; Removing the big four upper cover could oil by seat, and well snubbing serving device main frame carries out the oil pipe operation that puts with pressure.
It should be noted that: this oil field actuating oil-pumping unit gushing-proof operation equipment with pressure can adopt the standard type Remote Hydraulic to control, thereby safe and reliable.Control system adopts engine gear pump to pressure, accumulator pressurizing, and control valve is controlled, the operating principle of 3-position 4-way threshold switch, all electric-control systems all adopt Explosion-proof Design.
Hydraulic control system can be placed in a container; Drive by fire-proof motor the pressure oil that the variable displacement with constant power plunger displacement pump provides for system, can configure 25MPa, one of flow 40mL/r variable displacement with constant power plunger displacement pump stores up energy by accumulator, specializes in preventer and slips and uses.And overflow valve, decompression overflow valve, stop valve, one way valve, unloading overflow valve, hydraulic oil container can be set.
Operating system can be respectively equipped with surge one of three-position four-way valve (O type) of φ 16 latus rectums, controls the oil cylinder lifting, and φ 10 multiple directional control valves (five connect) are controlled respectively the annular-hydraulic driving clamp tile of double disc half envelope-double disc slips-lower annular-upward.And there is respectively the switch shockproof pressure gage to show pressure.Tubular annular preventer one road dress one way pressure-reducing valve can be pressed according to well and be adjusted at any time tubular annular input pressure.
The above is only the preferred embodiments of the present invention; not thereby limit the scope of the claims of the present invention; every equivalent structure or equivalent flow process conversion that utilizes manual of the present invention and accompanying drawing content to do; or directly or indirectly be used in other relevant technical fields, all in like manner be included in scope of patent protection of the present invention.
Claims (3)
1. oil field actuating oil-pumping unit gushing-proof operation equipment with pressure, comprise main frame, this main frame is provided with stay pipe (5), this stay pipe (5) is provided with steady pin (7), it is characterized in that: be fixed with lifting beam hanger (6) on described main frame, from bottom to top be fixed with successively the double-gate sucker rod blow-out preventer (1) that is interconnected, lower annular preventer (2), upper annular preventer (3) and traveling slip (4) on this lifting beam hanger (6).
2. oil field according to claim 1 actuating oil-pumping unit gushing-proof operation equipment with pressure, it is characterized in that: described upper annular preventer (3) is provided with bypass valve (9).
3. oil field according to claim 1 and 2 actuating oil-pumping unit gushing-proof operation equipment with pressure, it is characterized in that: described stay pipe (5) is 4, and the bottom of at least 3 stay pipes (5) is provided with adjusting screw (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220748802 CN203008843U (en) | 2012-12-31 | 2012-12-31 | Blowout-preventing operation device for stripping sucker rod in oil field with pressure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220748802 CN203008843U (en) | 2012-12-31 | 2012-12-31 | Blowout-preventing operation device for stripping sucker rod in oil field with pressure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203008843U true CN203008843U (en) | 2013-06-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220748802 Expired - Lifetime CN203008843U (en) | 2012-12-31 | 2012-12-31 | Blowout-preventing operation device for stripping sucker rod in oil field with pressure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203008843U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104863538A (en) * | 2014-02-21 | 2015-08-26 | 任丘市博鑫石油机械制造有限公司 | Setting blowout preventer device with pressed plug |
| CN110588908A (en) * | 2019-08-12 | 2019-12-20 | 招商局重工（江苏）有限公司 | Novel BOP (blow out preventer) righting device |
-
2012
- 2012-12-31 CN CN 201220748802 patent/CN203008843U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104863538A (en) * | 2014-02-21 | 2015-08-26 | 任丘市博鑫石油机械制造有限公司 | Setting blowout preventer device with pressed plug |
| CN110588908A (en) * | 2019-08-12 | 2019-12-20 | 招商局重工（江苏）有限公司 | Novel BOP (blow out preventer) righting device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: RENQIU BOXIN PETROLEUM MACHINERY MANUFACTURING CO. Free format text: FORMER NAME: RENQIU BOXIN OIL MACHINE ACCESSORY CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 062552, Hebei, Cangzhou province Renqiu City Oil Transportation West 106 National Road, East Thought Development Zone Patentee after: RENQIU CITY BOXIN OIL MACHINERY MANUFACTURING CO.,LTD. Address before: 062552, Hebei, Cangzhou province Renqiu City Oil Transportation West 106 National Road, East Thought Development Zone Patentee before: Renqiu City Boxin Petroleum Machinery Parts Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130619 |
|
| CX01 | Expiry of patent term |