CN203420652U - Pressure-balanced and controllable workover treatment device - Google Patents
Pressure-balanced and controllable workover treatment device Download PDFInfo
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- CN203420652U CN203420652U CN201320485018.6U CN201320485018U CN203420652U CN 203420652 U CN203420652 U CN 203420652U CN 201320485018 U CN201320485018 U CN 201320485018U CN 203420652 U CN203420652 U CN 203420652U
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Abstract
The utility model discloses a pressure-balanced and controllable workover treatment device to overcome the defects that the productivity recovery phase is long and oil production is decreased after workover treatment is conducted due to the fact that damage of poured liquid to a hydrocarbon reservoir is caused by an existing conventional workover treatment device and an existing workover treatment method in the workover treatment process in an oil-water well with small overflow in the well mouth and severe leakage in the well cylinder. The pressure-balanced and controllable workover treatment device is used for workover treatment under a mechanical production well provided with a Christmas tree. The pressure-balanced and controllable workover treatment device comprises an operating platform, a hydraulic control sucker rod cylindrical blowout preventer, a ram blowout preventer and a four-way joint, wherein supporting legs are fixedly arranged at the four corners of the operating platform respectively, an escalator and a slide escape are arranged on the two sides of the operating platform respectively, guard bars are arranged on the periphery of the operating platform in an inserted mode, the hydraulic control sucker rod cylindrical blowout preventer is arranged above the operating platform, the operating platform is of a box type structure, and a vertical through hole is formed in the middle of the operating platform. The pressure-balanced and controllable workover treatment device has the advantages of being simple in device, convenient to install and operate, high in operating efficiency, low cost and capable of conducting workover treatment under pressure-balanced and non-pouring conditions, and environment-friendly, safe, pressure-balanced and controllable workover treatment is achieved.
Description
Technical field
The utility model relates to a kind of snubbing serving device of oil-water well workover treatment, especially relates to the controlled workover treatment equipment of a kind of not kill-job.
Background technology
Along with constantly carrying out of oil development; the crude oil water containing that enters maturing field rises; strata pressure declines; in conventional workover treatment, often can run into the little overflow (shut-in pressure≤3MPa of well head; pressure≤the 0.5MPa that drives a well, well head overflow≤0.7L/min) and the oil-water well of pit shaft severe leakage.This class oil-water well need to be washed kill-job when carrying out conventional workover treatment, operation process also will be uninterruptedly to perfusion fluid in pit shaft to guarantee clean and safety work, adopting conventional workover treatment method perfusion liquid to know from experience damages oil-gas Layer, cause after operation production capacity convalescence long, oil production declines; In workover treatment, the rountrip of sucker rod, oil pipe needs two complete equipments to complete simultaneously.
The free-standing hydraulic oil aqueous vapor well snubbing serving device > > (publication number CN201982035U) of disclosed Chinese utility model patent < < on September 21st, 2011, mainly by power section and well head part, be grouped into, below four jiaos of lower platform, be fixed with four platforms supporting leg; Upper single ram type perventer is fixed on the bottom of lower platform, is fixed with balance pressure release four-way and lower single ram type perventer in the bottom of upper single ram type perventer; Central upper portion position at lower platform is fixed with tubular preventer and stationary slip; Upper plane at lower platform is connected with upper mounting plate by four platforms connection columns; In the central upper portion position of upper mounting plate, be symmetrically fixed with two lifting fluid cylinders and terminal pad; On terminal pad, be fixed with traveling slip; The mast and the hydraulic wireline winch that in the side of lower platform and upper mounting plate, have a multi-stage expansion structure, hydraulic wireline winch connects pulley and the lifting hook of mast top by wire rope.Can with pressurely carry out workover treatment, volume is little, lightweight, convenient in carrying.This snubbing serving apparatus structure is complicated, has two-layer platform, also needs to be equipped with the equipment such as hydraulic wireline winch, is mainly used in the well that down-hole pressure is high and carries out workover treatment.
Utility model content
In order to overcome the perfusion fluid of existing conventional well workover equipment and operational method existence when the oil-water well of the little overflow of well head, pit shaft severe leakage carries out workover treatment, oil-gas Layer is damaged, cause after operation production capacity convalescence long, the deficiency that oil production declines, and existing hydraulic oil aqueous vapor well snubbing serving apparatus structure is complicated, be unsuitable for being applied in the deficiency of the little overflow of well head, the workover treatment of pit shaft severe leakage oil-water well, the utility model provides a kind of controlled workover treatment equipment of not kill-job being applicable at low pressure well, the little overflow well of well head.
The utility model solves the technical scheme that its technical problem adopts: the controlled workover treatment equipment of not kill-job, for the machine-pumped oil well down-hole workover treatment of production tree is installed, comprise operating platform, liquid-controlled pumping rod tubular preventer, ram preventer, four-way, the Corner Strapped of operating platform is provided with supporting leg, the both sides of operating platform are separately installed with staircase, slide escape, operating platform surrounding is fitted with guardrail, liquid-controlled pumping rod tubular preventer is arranged on operating platform top, operating platform is case structure, and there is vertical through hole centre.
The vertical through hole place of operating platform is installed with four-way; The upper end of four-way is installed with liquid-controlled pumping rod tubular preventer, and the lower end of four-way is installed with hydraulic control triple ram preventer, universal pipe nipple successively; The both sides of four-way are separately installed with gate.
The servicing unit of the controlled workover treatment equipment of not kill-job comprises: envelope bar device, Manual gate plate blowout preventer, sucker rod hanging blanking plug, Technics of Prevention of Well Blowout bar, oil-tube oil wiper, oil pipe plug valve.
The surrounding of operating platform below four-way is liquid reserve tank, can store the waste liquid, the foreign material that in workover treatment, produce in liquid reserve tank; The below of liquid reserve tank is installed with discharge funnel for sludge, and discharge funnel for sludge is communicated with waste liquid tank by pipeline.
The glue core of liquid-controlled pumping rod tubular preventer is rubber; Glue core upper end is cylindrical shape, and lower end is taper, and the bottom of conical rubber core is annular lip limit, and annular lip limit profile is circular-arc.
The beneficial effects of the utility model are, equipment is simple, be convenient to fitting operation, operating efficiency is high, cost is low, can under not kill-job, the condition of not pouring into, carry out workover treatment, realize environmental protection, safety, the controlled workover treatment of not kill-job, and the overflow dangerous situation of burst has been control effectively, reached the construction object of oil and gas production before shortening production capacity convalescence after well workover and can returning to rapidly operation.
Accompanying drawing explanation
Fig. 1 is the controlled workover treatment device structure of not kill-job of the utility model schematic diagram.
Fig. 2 is machine-pumped oil well production tree structural representation in the utility model.
In figure: 1. staircase, 2. operating platform, 3. hydraulic control triple ram preventer, 4. universal pipe nipple, 5. supporting leg, 6. discharge funnel for sludge, 7. slide escape, 8. gate, 9. four-way, 10. liquid-controlled pumping rod tubular preventer, 11. guardrails, 12. liquid reserve tanks, 100. production trees, 101. wellhead flanges, 102. four-way junction of casing, 103. sleeve gates, 104. master valves, 105. produce four-way, and 106. produce gate, 107. Manual gate plate blowout preventers, 108. polished rods, 109. envelope bar devices, 110. choke manifolds.
The specific embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail.But those skilled in the art should know, the utility model is not limited to the listed specific embodiment, as long as meet spirit of the present utility model, all should be included in protection domain of the present utility model.
Referring to accompanying drawing.The controlled workover treatment equipment of not kill-job of the utility model, mainly be applicable to the little overflow (shut-in pressure≤3MPa of well head, and the machine-pumped oil well down-hole workover treatment of production tree is installed the pressure≤0.5MPa that drives a well, well head overflow≤0.7L/min) and the oil-water well of pit shaft severe leakage.
The controlled workover treatment equipment of not kill-job of the utility model mainly comprises agent set and servicing unit.
Referring to Fig. 1.Operating platform 2 Corner Strappeds of agent set are provided with supporting leg 5, and the both sides of operating platform 2 are separately installed with staircase 1, slide escape 7, and operating platform 2 surroundings are fitted with guardrail 11.Operating platform 2 is case structure, in the middle of operating platform 2, has vertical through hole, and vertical through hole place is installed with four-way 9, and the surrounding of four-way 9 is liquid reserve tank 12, and liquid reserve tank 12 is interior can store waste liquid, the foreign material that produce in workover treatment; The below of liquid reserve tank 12 is installed with discharge funnel for sludge 6, and discharge funnel for sludge 6 is communicated with waste liquid tank by pipeline.
The upper end of four-way 9 is installed with liquid-controlled pumping rod tubular preventer 10, and the glue core of liquid-controlled pumping rod tubular preventer 10 is the rubber that there is no metallic framework; Glue core upper end is cylindrical shape, and lower end is taper, and the bottom of conical rubber core is annular lip limit, and annular lip limit profile is circular-arc (applicant has been applied for patent separately with regard to liquid-controlled pumping rod tubular preventer).Because glue core does not have inner frame, good springiness, when rod collar etc. is greater than sucker rod diameter object and passes through, can " overturn " in annular lip limit, after rod collar passes through, annular lip limit resiles, make glue core not easy to wear, good sealing effect, meets blowout prevention requirement.The effect of liquid-controlled pumping rod tubular preventer 10 is sealing sucker rods, prevents from gas, liquid, altering in oil pipe, and strikes off the greasy dirt on sucker rod.
The lower end of four-way 9 is installed with hydraulic control triple ram preventer 3, universal pipe nipple 4 successively; The gate 8 that install respectively four-way 9 both sides, is mainly used in overflow or carries out kill job.
The servicing unit of the controlled workover treatment equipment of not kill-job comprises: envelope bar device 109, Manual gate plate blowout preventer 107, sucker rod hanging blanking plug, Technics of Prevention of Well Blowout bar, oil-tube oil wiper, oil pipe plug valve etc.
Referring to Fig. 2.The machine-pumped oil well that the utility model is applied to be provided with production tree carries out down-hole workover treatment, and the four-way junction of casing 102 of production tree is fixedly mounted on wellhead flange 101, and the top of four-way junction of casing 102 is installed with successively master valve 104, produces four-way 105, blowout prevention box.Four-way junction of casing 102 both sides are provided with sleeve gate 103, for the annular space between On/Off oil pipe and sleeve pipe.The both sides that produce four-way 105 are provided with and produce gate 106, while normally producing, produce gate 106 and are connected with production flow line.
Before carrying out the controlled workover treatment of not kill-job, assembly operation main platform body first, fixedly mounts respectively supporting leg 5 at operating platform 2 four jiaos, in liquid reserve tank 12 lower ends, discharge funnel for sludges 6 is installed; Then, four-way 9 is fixedly mounted on to operating platform 2 belows, in the lower end of four-way 9, fixedly mounts successively hydraulic control triple ram preventer 3, universal pipe nipple 4, gate 8 is installed respectively in the both sides of four-way 9.
Controlled workover treatment step is as follows:
1) production four-way 105 both sides of closing production tree 100 produce gate 106, remove the production flow line being connected with production gate 106, in the upper end of blowout prevention box, Manual gate plate blowout preventer 107 are installed;
2) in the end of 2 production gates 106, fixedly mount respectively envelope bar device 109, open and produce gate 106; Close 2 envelope bar devices 109, the annular that the glue core of envelope bar device 109 front ends forms is by polished rod 108 radial seals; Operation Manual gate plate blowout preventer 107 coordinates polished rod 108 propositions;
3) open envelope bar device 109; The upper end of sucker rod hanging blanking plug is connected and sends into sucker rod, and lower end connecting with pumping rod box cupling, is lowered to sucker rod hanging blanking plug and is connected with the tubing hanger that is positioned at four-way junction of casing 102 belows from production tree 100 upper ends;
4) by the master valve 104 of the four-way junction of casing of production tree 100 102 tops and remove with upper-part; The sleeve gate 103 of four-way junction of casing 102 both sides is connected with choke manifold 110;
5) operating platform main hanger is filled to four-way junction of casing 102 tops, the universal pipe nipple 4 that is arranged on operating platform main body lower end is fixedly connected with the upper flanges of four-way junction of casing 102;
Four supporting legs 5 of adjusting operation platform 2 to operating platform 2 in plateau;
6) in operating platform 2 both sides, staircase 1, slide escape 7 are installed; At operating platform 2 surrounding plug-in mounting guardrails 11;
On operating platform 2, liquid-controlled pumping rod tubular preventer 10 is fixedly mounted on to the top of four-way 9;
7) from liquid-controlled pumping rod tubular preventer 10 upper ends, being lowered to sucker rod is connected with sucker rod hanging blanking plug;
Open the hydraulic control lever pressurization of liquid-controlled pumping rod tubular preventer 10, the annular space of preventer sealing sucker rod and oil pipe;
Then, above carry sucker rod, until the oil pump piston of sucker rod and lower end connection thereof is proposed in oil pipe;
Close the blind rams in hydraulic control triple ram preventer 3;
8) liquid-controlled pumping rod tubular preventer 10 is removed from four-way 9, proposed tubing hanger and shed;
9) at four-way 9 upper end fixed installation oil-tube oil wipers;
10) utilize well workover lifting means, the oil pipe of down-hole and oil pump sleeve are proposed in well;
11) carry out normal workover treatment;
After workover treatment finishes, remove the controlled workover treatment equipment of not kill-job, production tree is installed, carry out normal production operation.
While proposing sucker rod operation on carrying out the 7th step, the greasy dirt overflowing is collected in the liquid reserve tank 12 of operating platform 2, and be expelled in waste liquid tank from discharge funnel for sludge 6 in oil pipe; Sucker rod body of rod greasy dirt is struck off by liquid-controlled pumping rod tubular preventer 10.
Upper, carry in sucker rod operating process, when sucker rod load is less than sucker rod deadweight or well head spillway discharge > 0.7L/min, should stop operation immediately; And rapidly the servicing unit Technics of Prevention of Well Blowout bar lower end of the controlled workover treatment equipment of not kill-job is connected with sucker rod in well and is lowered to tubing hanger position, open liquid-controlled pumping rod tubular preventer 10 simultaneously, guarantee that Technics of Prevention of Well Blowout bar passes through; That closes hydraulic control triple ram preventer 3 partly seals flashboard and slip flashboard, sealing Technics of Prevention of Well Blowout bar; Close again liquid-controlled pumping rod tubular preventer 3; Take to bleed off pressure or kill-job measure after, sucker rod operation continue to be proposed.
What carry out the 10th step, utilize well workover lifting means, the operating process that the oil pipe of down-hole and oil pump sleeve are proposed in well, the greasy dirt overflowing is collected in the liquid reserve tank 12 of operating platform 2, and be expelled in waste liquid tank from discharge funnel for sludge 6 in oil pipe; Greasy dirt on oil pipe body is struck off by oil-tube oil wiper.
The operating process that the oil pipe of down-hole and oil pump sleeve are proposed in well, when if find, tubing load is less than deadweight or well head spillway discharge > 0.7L/min, should stop operation immediately; And oil pipe plug valve is installed rapidly on oil pipe, and open choke manifold open flow gate, close the slip flashboard of hydraulic control triple ram preventer 3 and partly seal flashboard, then closing oil pipe plug valve; According to well head pressure value take to bleed off pressure or kill-job measure after, proceed to propose oil pipe operation.
No matter be to carry in sucker rod or tubing manipulation process upper, in the time of need to bleeding off pressure operation, all by being arranged on the choke manifold 110 of sleeve gate 12, implement.
The feature of the controlled workover treatment equipment of not kill-job of the utility model is:
1, finishing equipment is installed, can realize the rountrip of R a T, has abandoned the installation that Operating Pressure needs phase in two complete equipments, could realize the rountrip of R a T;
2, adopt the box environmental protection operating platform of liquid storage, oil-tube oil wiper and liquid-controlled pumping rod tubular preventer to realize cleaning operation;
3, by hydraulic pressure triple ram preventer, liquid-controlled pumping rod tubular preventer, Technics of Prevention of Well Blowout bar, realize well control safety, effectively reduced the pollution of workover fluid to stratum, greatly shortened after well workover production capacity convalescence;
4, package unit is simple in structure, and operating efficiency is high, and construction cost is low, easy to operate, practical.
It should be noted that above-described embodiment is example and unrestricted the utility model, those skilled in the art can design a lot of alternate embodiments and not depart from the claim scope of this patent.
Claims (3)
1. the controlled workover treatment equipment of not kill-job, for the machine-pumped oil well down-hole workover treatment of production tree is installed, comprise operating platform, liquid-controlled pumping rod tubular preventer, ram preventer, four-way, the Corner Strapped of operating platform is provided with supporting leg, the both sides of operating platform are separately installed with staircase, slide escape, operating platform surrounding is fitted with guardrail, and liquid-controlled pumping rod tubular preventer is arranged on operating platform top, it is characterized in that:
Described operating platform (2) is case structure, and there is vertical through hole centre;
The vertical through hole place of described operating platform (2) is installed with four-way (9); The upper end of four-way (9) is installed with liquid-controlled pumping rod tubular preventer (10), and the lower end of four-way (9) is installed with hydraulic control triple ram preventer (3), universal pipe nipple (4) successively; The both sides of four-way (9) are separately installed with gate (8);
The servicing unit of the controlled workover treatment equipment of described not kill-job comprises: envelope bar device (109), Manual gate plate blowout preventer (107), sucker rod hanging blanking plug, Technics of Prevention of Well Blowout bar, oil-tube oil wiper, oil pipe plug valve.
2. the controlled workover treatment equipment of not kill-job according to claim 1, is characterized in that: the surrounding of described operating platform (2) below four-way (9) is liquid reserve tank (12), in liquid reserve tank (12), can store waste liquid, the foreign material that produce in workover treatment; The below of liquid reserve tank (12) is installed with discharge funnel for sludge (6), and discharge funnel for sludge (6) is communicated with waste liquid tank by pipeline.
3. the controlled workover treatment equipment of not kill-job according to claim 1, is characterized in that: the glue core of described liquid-controlled pumping rod tubular preventer (10) is rubber; Glue core upper end is cylindrical shape, and lower end is taper, and the bottom of conical rubber core is annular lip limit, and annular lip limit profile is circular-arc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320485018.6U CN203420652U (en) | 2013-08-09 | 2013-08-09 | Pressure-balanced and controllable workover treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320485018.6U CN203420652U (en) | 2013-08-09 | 2013-08-09 | Pressure-balanced and controllable workover treatment device |
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| Publication Number | Publication Date |
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| CN203420652U true CN203420652U (en) | 2014-02-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320485018.6U Withdrawn - After Issue CN203420652U (en) | 2013-08-09 | 2013-08-09 | Pressure-balanced and controllable workover treatment device |
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| CN (1) | CN203420652U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104343400A (en) * | 2013-08-09 | 2015-02-11 | 大港油田集团有限责任公司 | Snubbing controllable workover operation equipment and operation method thereof |
| CN105840120A (en) * | 2016-06-03 | 2016-08-10 | 中国石油天然气股份有限公司 | Well repairing platform |
| CN111828997A (en) * | 2020-07-13 | 2020-10-27 | 汤宝宝 | Gas boiler |
-
2013
- 2013-08-09 CN CN201320485018.6U patent/CN203420652U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104343400A (en) * | 2013-08-09 | 2015-02-11 | 大港油田集团有限责任公司 | Snubbing controllable workover operation equipment and operation method thereof |
| CN104343400B (en) * | 2013-08-09 | 2018-03-09 | 大港油田集团有限责任公司 | The controllable workover treatment equipment of no killing well and its operational method |
| CN105840120A (en) * | 2016-06-03 | 2016-08-10 | 中国石油天然气股份有限公司 | Well repairing platform |
| CN105840120B (en) * | 2016-06-03 | 2018-11-16 | 中国石油天然气股份有限公司 | Well repairing platform |
| CN111828997A (en) * | 2020-07-13 | 2020-10-27 | 汤宝宝 | Gas boiler |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140205 Effective date of abandoning: 20180309 |
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| AV01 | Patent right actively abandoned |