CN203879719U - Integrated gas injecting and oil extracting pump - Google Patents
Integrated gas injecting and oil extracting pump Download PDFInfo
- Publication number
- CN203879719U CN203879719U CN201420170842.7U CN201420170842U CN203879719U CN 203879719 U CN203879719 U CN 203879719U CN 201420170842 U CN201420170842 U CN 201420170842U CN 203879719 U CN203879719 U CN 203879719U
- Authority
- CN
- China
- Prior art keywords
- pump
- gas
- cross under
- pump barrel
- production
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000002347 injection Methods 0.000 claims abstract description 42
- 239000007924 injection Substances 0.000 claims abstract description 42
- 238000004519 manufacturing process Methods 0.000 claims abstract description 29
- 239000000446 fuel Substances 0.000 claims description 3
- 210000002445 nipple Anatomy 0.000 claims description 3
- 239000007789 gas Substances 0.000 description 16
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 12
- 239000003921 oil Substances 0.000 description 12
- 238000000034 method Methods 0.000 description 7
- 229910052757 nitrogen Inorganic materials 0.000 description 6
- 239000003129 oil well Substances 0.000 description 5
- 238000011084 recovery Methods 0.000 description 5
- 239000010779 crude oil Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Landscapes
- Reciprocating Pumps (AREA)
Abstract
The utility model provides an integrated gas injecting and oil extracting pump. A production pipe column is connected to the upper end of the integrated gas injecting and oil extracting pump, a tail pipe is connected to the lower end of the integrated gas injecting and oil extracting pump, and threads are arranged on the production pipe column and at the end, connected with the integrated gas injecting and oil extracting pump, of the tail pipe. The integrated gas injecting and oil extracting pump comprises an upper pump barrel and a lower pump barrel connected with the upper pump barrel, a first gap bridge pipe is connected to the exterior of the upper pump barrel in a sleeved mode, and a second gap bridge pipe is connected to the exterior of the lower pump barrel in a sleeved mode. The integrated gas injecting and oil extracting pump can meet the gas injection requirement and has high strength.
Description
Technical field
The utility model relates to a kind of integrated pump that deep-well reservoir gas injection recovers the oil that is adapted to, and relates in particular to a kind of integrated pump that is suitable for the longer well of gas-injection oil-production integrated pipe column bottom tail pipe.
Background technique
Carbonate Reservoir anisotropy is strong, and solution cavity is topmost reservoir space, and communicating passage effect is mainly played in crack, seam unit, hole is basic development block, for many wells seams unit, hole of individual well seam unit, hole and the connection of secondary crack, mainly rely on elasticity and waterflooding extraction, recovery rate is lower.Press the cone effect problem such as variation or inefficacy year by year for the type oil reservoir water filling in early stage of seam hole for oil, water filling, in order to supplement stratum energy, effectively employ well week high-order bit residual oil, improve the development degree of reserves, recover oil well productivity, carry out tertiary oil recovery technology.Taking system in Tahe Oilfield as example, system in Tahe Oilfield has been carried out note nitrogen and has been improved recovery test, and detailed process is: gas injection well adopts high strength gas injection oil recovery integrated pipe column in gas injection and production process subsequently, takes out to meet follow-up turning, and saves the requirement of operating cost.With regard to most field situation, the oil well pump of extensive use at present almost cannot meet above-mentioned requirements, what time not enough below main existence:
1, mainly implement note nitrogen technique in individual well seam unit, hole at present, after gas injection well opening well and making production a period of time, transfer plunger and implement to turn to take out.For saving operating cost, gas injection tube column is gas-injection oil-production integrated pipe column, i.e. in the workover eration of oil well pump before gas injection, together in lower going-into-well, follow follow-up gas injection, turn the process of taking out, and note nitrogen discharge capacity designs at 3000m
3more than/h, the individual well gas injection time is about 10 days, higher to pump structure, requirement of strength;
2, in oil field, under the gas injection tube column of great majority note nitrogen technique, deeply reach 5000m, pump setting depth reaches 2500m, and pump barrel bottom tail pipe reaches 2500m, and conventional oil well pump tensile strength is only 6～8t, cannot meet and accept bottom tail pipe deadweight requirement.
In sum, in the urgent need to researching and developing a kind of oil well pump that can meet gas injection requirement and possess again higher-strength, improve the requirement of recovery rate technique to pump barrel intensity to meet system in Tahe Oilfield note nitrogen.
Summary of the invention
In order to overcome the above problems, the utility model provides a kind of gas-injection oil-production integrated pump, and it can meet gas injection requirement and possess again higher intensity.
In order to achieve the above object, the utility model provides a kind of gas-injection oil-production integrated pump, the upper end of the integrated pump of gas-injection oil-production connects flow string, lower end union tail, be provided with screw thread at flow string and tail pipe with the end that the integrated pump of gas-injection oil-production is connected, the lower pump barrel that the integrated pump of this gas-injection oil-production comprises pump barrel and is connected with upper pump barrel, the outer cover of upper pump barrel is connected to the first cross under, and the outside of lower pump barrel is socketed the second cross under.
Preferably, the upper end of the first cross under is provided with internal thread, and the outside thread arranging on this internal thread and flow string is intermeshing; The lower end of the second cross under is provided with outside thread, intermeshing between the internal thread arranging on this outside thread and tail pipe.
Preferably, the nominal diameter of the internal thread that the first cross under upper end arranges is less than the externally threaded nominal diameter that the first cross under lower end arranges, the nominal diameter of the internal thread that the second cross under upper end arranges is greater than the externally threaded nominal diameter that the second cross under lower end arranges, and between the first cross under and the second cross under, is connected by thread engagement.
Preferably, between upper pump barrel and lower pump barrel, connect by middle pipe nipple, in upper pump barrel, be socketed with upper plug, socket lower plunger in lower pump barrel.
Preferably, the lower end of lower plunger is provided with support ring, between upper plug and lower plunger, connects by fuel inlet fitting.
Preferably, in upper plug, be provided with outlet valve, in lower plunger, be provided with oiling valve.
The advantage that the utility model has compared to prior art is:
1, realized the gas injection function in gas injection technology and turn take out after the pumping function the same with common tubing pump;
2, solved that group lower tubular column is dark, pump barrel is accepted the larger strength problem of bottom tail pipe weight;
3, cross under adopts P110S material, and intensity is high, sulfur resistance good, pump efficiency is high, can meet tubing string length and be greater than the demand that 5 kms, bottom tail pipe length are greater than the deep mining of 3 kms.
Brief description of the drawings
Fig. 1 is the integrated pump structure schematic diagram of gas-injection oil-production in the utility model.
Embodiment
Below, by exemplary mode of execution, the utility model is specifically described.But should be appreciated that element, structure and the feature in a mode of execution also can be attached in other mode of executions valuably in the situation that further not narrating.
Referring to Fig. 1, it is the integrated pump structure schematic diagram of gas-injection oil-production in the utility model.As shown in the figure, the integrated pump of this gas-injection oil-production upper end connects flow string, lower end union tail, be provided with screw thread at flow string and tail pipe with the end that the integrated pump of gas-injection oil-production is connected, the lower pump barrel 7 that the integrated pump of gas-injection oil-production comprises pump barrel 2 and is connected with upper pump barrel 2, between upper pump barrel 2 and lower pump barrel 7, connect by middle pipe nipple 6, in upper pump barrel 2, be socketed with upper plug 1, the interior socket lower plunger 8 of lower pump barrel 7, the lower end of lower plunger 8 is provided with support ring 9, between upper plug 1 and lower plunger 8, connect by fuel inlet fitting, in upper plug 1, be provided with outlet valve 3, in lower plunger 8, be provided with oiling valve 5.
In order to improve the intensity of the integrated pump of gas-injection oil-production, there is cross under in pump barrel outer installment, cross under is made up of P110S material, cross under is provided with two, wherein be connected to the first cross under 41 in the outer cover of upper pump barrel 2, be connected to the second cross under 42 in the outer cover of lower pump barrel 7, the two ends of cross under are provided with screw thread, wherein be provided with internal thread in the upper end of the first cross under 41, the outside thread arranging on this internal thread and flow string is intermeshing; The lower end of the second cross under 42 is provided with outside thread, intermeshing between the internal thread arranging on this outside thread and tail pipe; Preferably, the nominal diameter of the internal thread that the first cross under 41 upper ends arrange is less than the externally threaded nominal diameter that the first cross under 41 lower ends arrange, the nominal diameter of the internal thread that the second cross under 42 upper ends arrange is greater than the externally threaded nominal diameter that the second cross under 42 lower ends arrange, and between the first cross under 41 and the second cross under 42, is threaded connection.
A specific embodiment is provided below, further illustrates the connection function that in the utility model, cross under plays.The first cross under upper end is 31/2 " internal thread; the outside thread on the flow string that upper end connects is 31/2 ", both engagements, the first cross under lower end is 51/2 " outside thread; the second cross under 42 upper ends arrange 51/2 " outside thread, thereby the lower end of the first cross under is engaged with the upper end of the second cross under, the second cross under lower end is set to 31/2 " internal thread; lower end union tail; by making the tensile strength of pump barrel bring up to 50 tons by 6-8 ton at upper and lower pump barrel outer installment cross under, reached gas injection and turned the requirement to pump barrel intensity in the process of taking out.
Describe working principle of the present utility model below in detail: the integrated pump of gas-injection oil-production of the present utility model is in the time of up stroke, and outlet valve 3 cuts out, the crude oil in the above oil pipe of upper plug 1 is discharged from, annular chamber volume between upper lower plunger increases, form low-pressure cavity, oiling valve 5 is opened, and annular chamber is oil-filled; When down stroke, oiling valve 5 cuts out, and annular chamber volume reduces, and forms hyperbaric chamber, and the crude oil in high pressure annular chamber backs down outlet valve 3, enters in oil pipe.
The integrated pump of gas-injection oil-production of the present utility model is in down stroke, and oil pipe fluid column weight is sitting on oiling valve 5, forms hydraulic feedback power, help sucker rod is descending, solve sucker rod descending difficult problem after crude oil retrogradation after note nitrogen, improved pump efficiency, overcome ball valve and lagged behind and close phenomenon; The hydraulic feedback power forming also can overcome roofbolt friction in down stroke, has dwindled pumping unit up-down stroke load change amplitude, has reduced the generation of rod parting accident.
The utility model takes into full account the particularity of gas injection tube column, and the upper and lower two ends of pump barrel are preferably set to screw thread button-type, can directly be connected with oil pipe, conveniently removes pump operation.
Be appreciated that the utility model is described by some embodiments, those skilled in the art know, in the situation that not departing from spirit and scope of the present utility model, can carry out various changes or equivalence replacement to these features and embodiment.In addition, under instruction of the present utility model, can modify to adapt to concrete situation and material and can not depart from spirit and scope of the present utility model these features and embodiment.Therefore, the utility model is not subject to the restriction of specific embodiment disclosed herein, and the embodiment within the scope of all the application's of falling into claim belongs in the scope that the utility model protects.
Claims (6)
1. the integrated pump of gas-injection oil-production, the upper end of the integrated pump of gas-injection oil-production connects flow string, lower end union tail, be provided with screw thread at flow string and tail pipe with the end that the integrated pump of gas-injection oil-production is connected, the lower pump barrel (7) that the integrated pump of this gas-injection oil-production comprises pump barrel (2) and is connected with upper pump barrel (2), it is characterized in that, the outer cover of upper pump barrel (2) is connected to the first cross under (41), and the outside of lower pump barrel (7) is socketed the second cross under (42).
2. the integrated pump of gas-injection oil-production according to claim 1, is characterized in that, the upper end of the first cross under (41) is provided with internal thread, and the outside thread arranging on this internal thread and flow string is intermeshing; The lower end of the second cross under (42) is provided with outside thread, intermeshing between the internal thread arranging on this outside thread and tail pipe.
3. the integrated pump of gas-injection oil-production according to claim 2, it is characterized in that, the nominal diameter of the internal thread that the first cross under (41) upper end arranges is less than the externally threaded nominal diameter that the first cross under (41) lower end arranges, the nominal diameter of the internal thread that the second cross under (42) upper end arranges is greater than the externally threaded nominal diameter that the second cross under (42) lower end arranges, and between the first cross under (41) and the second cross under (42), is connected by thread engagement.
4. according to the integrated pump of gas-injection oil-production described in any one in claim 1-3, it is characterized in that, between upper pump barrel (2) and lower pump barrel (7), connect by middle pipe nipple (6), in upper pump barrel (2), be socketed with upper plug (1), socket lower plunger (8) in lower pump barrel (7).
5. the integrated pump of gas-injection oil-production according to claim 4, is characterized in that, the lower end of lower plunger (8) is provided with support ring (9), between upper plug (1) and lower plunger (8), connects by fuel inlet fitting.
6. the integrated pump of gas-injection oil-production according to claim 5, is characterized in that, is provided with outlet valve (3) in upper plug (1), is provided with oiling valve (5) in lower plunger (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420170842.7U CN203879719U (en) | 2014-04-10 | 2014-04-10 | Integrated gas injecting and oil extracting pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420170842.7U CN203879719U (en) | 2014-04-10 | 2014-04-10 | Integrated gas injecting and oil extracting pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203879719U true CN203879719U (en) | 2014-10-15 |
Family
ID=51680222
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420170842.7U Expired - Lifetime CN203879719U (en) | 2014-04-10 | 2014-04-10 | Integrated gas injecting and oil extracting pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203879719U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105298450A (en) * | 2015-12-04 | 2016-02-03 | 中国石化江汉油田分公司江汉采油厂 | Salt prevention and oil extraction integrated production tube column for salt-deposited oil well |
| CN105649585A (en) * | 2016-01-27 | 2016-06-08 | 新疆江汉油田技术服务有限公司 | Flood suction integrated pipe column and operating process thereof |
| CN110130858A (en) * | 2019-06-12 | 2019-08-16 | 克拉玛依胜利高原机械有限公司 | A kind of bridge-type note takes out wear-and corrosion-resistant drop and joins integrated lifting technology and computer collecting system |
-
2014
- 2014-04-10 CN CN201420170842.7U patent/CN203879719U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105298450A (en) * | 2015-12-04 | 2016-02-03 | 中国石化江汉油田分公司江汉采油厂 | Salt prevention and oil extraction integrated production tube column for salt-deposited oil well |
| CN105298450B (en) * | 2015-12-04 | 2018-05-01 | 中国石化江汉油田分公司江汉采油厂 | A kind of integrated flow string of anti-salt oil recovery for salt crust oil well |
| CN105649585A (en) * | 2016-01-27 | 2016-06-08 | 新疆江汉油田技术服务有限公司 | Flood suction integrated pipe column and operating process thereof |
| CN110130858A (en) * | 2019-06-12 | 2019-08-16 | 克拉玛依胜利高原机械有限公司 | A kind of bridge-type note takes out wear-and corrosion-resistant drop and joins integrated lifting technology and computer collecting system |
| CN110130858B (en) * | 2019-06-12 | 2023-09-22 | 克拉玛依胜利高原机械有限公司 | Bridge type injection-extraction wear-resistant corrosion-resistant ginseng-lowering integrated lifting process and mechanical system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141015 |
|
| CX01 | Expiry of patent term |