CN201747329U - Sand cleaning tool of large-inclination and large-well diameter absorption well - Google Patents
Sand cleaning tool of large-inclination and large-well diameter absorption well Download PDFInfo
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- CN201747329U CN201747329U CN2010202841371U CN201020284137U CN201747329U CN 201747329 U CN201747329 U CN 201747329U CN 2010202841371 U CN2010202841371 U CN 2010202841371U CN 201020284137 U CN201020284137 U CN 201020284137U CN 201747329 U CN201747329 U CN 201747329U
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- fixed valve
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Abstract
The utility model discloses a sand cleaning tool of a large-inclination and large-well diameter absorption well. The sand cleaning tool comprises a power oil pipe, a sand pump, a sand setting pipe and a sand rammer that are sequentially arranged from the top down, wherein the power oil pipe is used for connection with a workover rig; the sand pump comprises a connecting pipe, a pump cylinder with the section being cylindrical and a plunger arranged at the upper part of the pump cylinder; one end of the connecting pipe is connected with the power oil pipe through a pipe joint that is provided with a drain hole, a fixed valve and a fixed valve seat, and the other end of the connecting pipe is connected with the plunger; the lower part of the pump cylinder is connected with the upper end of the sand setting pipe; and the sand rammer is connected with the lower end of the sand setting pipe and internally provided with a movable valve and a movable valve seat. The sand cleaning tool is characterized in that: the section of the fixed valve seat has a taper structure, and the fixed valve seat is internally provided with a first stop lever that positions the fixed valve in the middle of the fixed valve seat. The sand cleaning tool has the following benefits: the fixed valve seat is changed to be a taper shape and the first stop lever is arranged so as to solve the difficulties that the valve is not centered and sand bailing has no footage, and thorough sand bailing of a large shaft is realized.
Description
Technical field
The utility model relates to a kind of big gradient and big hole diameter absorption well sand removal instrument, is used for the oil well sand washing activities.
Background technology
The direction of oil development mainly concentrated on the loose sand oil accumulation of sea beach area in recent years, owing to be subjected to the influence of region, such well to adopt directional well, extended reach well and horizontal well mode completion mostly.Because it is more shallow that oil reservoir buries, formation cementation is more loose, and water is more active at the bottom of the limit, and the stratum energy abundance is easily shaked out in the production, and the leakage of many stratum energy shortcoming sand wells is serious.Sand production can cause fluid supply capacity to descend, the oil well underproduction and stopping production, and the liberation oil reservoir that resume production just need clean out pit shaft with the shaft bottom sand setting.Miss the sand well of oil reservoir at present, adopt traditional circulating fluid hydraulic sand washing technology, sand washing cost height,, period of validity weak point serious to oil reservoir and ground pollution, adopt existing conventional sand pump machinery to drag for sand technology, better at φ 139.7mm straight well effect, do not produce reservoir pollution and ground pollution, time saving and energy saving, take out motionless, sand and take out unclean difficult problem but in the 30 above high angle holes of degree in stake 106, stake Tan Hai oil fields such as 139, old 163 and old 168 and the big hole diameter absorption well of φ 177.8mm, use to exist, seriously restricted the enforcement of time step process measure.
Summary of the invention
The technical problems to be solved in the utility model has provided and a kind ofly can realize that big pit shaft thoroughly drags for the big gradient and the big hole diameter absorption well sand removal instrument of sand.
In order to solve the problems of the technologies described above, the utility model by the following technical solutions:
A kind of big gradient and big hole diameter absorption well sand removal instrument comprise the power oil pipe, sand pump, sand sediment pipe and the rramming device that set gradually from top to bottom; Described power oil pipe is used for linking to each other with workover rig; Described sand pump comprises that tube connector, cross section are columniform pump barrel and the plunger that is arranged on pump barrel top; Described tube connector one end links to each other with power oil pipe by the union that is provided with drain hole, standing valve and standing valve seat, and the other end links to each other with plunger; Described pump barrel bottom connects the sand sediment pipe upper end; Described rramming device links to each other with the sand sediment pipe lower end, and inside is provided with mobile valve and mobile valve seat; It is characterized in that: described standing valve seat cross section is a pyramidal structure, and inner being provided with is used to make standing valve to be positioned at the first middle pin of standing valve seat.
Among the utility model embodiment, described mobile valve seat cross section is a pyramidal structure, and inner being provided with is used to make mobile valve to be positioned at the second middle pin of mobile valve seat.
Among the utility model embodiment, described pump barrel diameter is 90mm.
Among the utility model embodiment, described sand sediment pipe is that diameter is the plain end oil well pipe of 73mm or 89mm.
Among the utility model embodiment, described rramming device diameter is 89 mm or 120mm.
The beneficial effects of the utility model:
Change the standing valve seat into taper, and first pin is set, it is not placed in the middle to have solved valve, drags for the difficult problem that sand does not have drilling depth, realizes that big pit shaft thoroughly drags for sand.
Figure of description
Fig. 1 is a structural representation of the present utility model.
Among the figure 1, power oil pipe, 2, union, 3, first pin, 4, standing valve, 5, tube connector, 6, pump barrel, 7, plunger, 8, sand sediment pipe, 9, second pin, 10, mobile valve seat, 11, the rramming device, 12, the standing valve seat, 13, mobile valve.
The specific embodiment
Below in conjunction with the drawings and specific embodiments the utility model is described in further details, so that described technical field personnel better understand the utility model.
With reference to the accompanying drawings 1, a kind of big gradient and big hole diameter absorption well sand removal instrument comprise the power oil pipe 1, sand pump, sand sediment pipe 8 and the rramming device 11 that set gradually from top to bottom; Described power oil pipe 1 is used for linking to each other with workover rig; Described sand pump comprises that the tube connector 5, the cross section that are provided with drain hole, standing valve 4 and standing valve seat 12 are columniform pump barrel 6 and the plunger 7 that is arranged on pump barrel 6 tops; Described tube connector 5 one ends link to each other with power oil pipe 1 by the union 2 that is provided with drain hole, standing valve 4 and standing valve seat 12, and the other end links to each other with plunger 7; Described pump barrel 6 bottoms connect sand sediment pipe 8 upper ends; Described rramming device 11 links to each other with sand sediment pipe 8 lower ends, and inside is provided with mobile valve 13 and mobile valve seat 10; Described standing valve seat 12 cross sections are pyramidal structure, and inner being provided with is used to make standing valve 4 to be positioned at first pin 3 of standing valve seat 12 centres.
Described pump barrel 6 diameters are 90mm, and the diameter of routine is strengthened, and the every stroke liquid measure of sand pump is promoted, and have satisfied the requirement of pumping power.
Described mobile valve seat 10 cross sections are pyramidal structure, and inner being provided be used to make mobile valve 13 to be positioned at second pin 9 in the middle of the mobile valve seat 10, have improved the sealing of tubing string.
Described sand sediment pipe 8 is the plain end oil well pipe of 73mm or 89mm for diameter, so that the control single drags for the sand amount.
Described rramming device 11 diameters are 89 mm or 120mm, can realize fully that big pit shaft thoroughly drags for sand.
Utilize the course of work of the present utility model as follows: after utilizing workover rig with the utility model and assorted column jacket G.I.H spy sand face, transfer tubing string pressurization 20-30kN, by the rramming device sand face is smash pine, carry on fast with workover rig, standing valve is closed during the sand pump upstroke, mobile valve is opened in the rramming device of bottom, shaft bottom sand liquid mixture constantly is drawn in the sand sediment pipe, at the uniform velocity transfer tubing string to the sand face, the interior mobile valve of rramming device is closed during down stroke, the sand pump standing valve is opened, sand is suspended in the sand sediment pipe, and load fluid enters oil sets annular space from the top drain hole, repeats the reciprocating action of up-down stroke, sand setting is pulled out in well, after trip out tubing string and discharge sand setting.
Claims (5)
1. a big gradient and big hole diameter absorption well sand removal instrument comprise the power oil pipe (1), sand pump, sand sediment pipe (8) and the rramming device (11) that set gradually from top to bottom; Described power oil pipe (1) is used for linking to each other with workover rig; Described sand pump comprises that tube connector (5), cross section are columniform pump barrel (6) and the plunger (7) that is arranged on pump barrel (6) top; Described tube connector (5) one ends link to each other with power oil pipe (1) by the union (2) that is provided with drain hole, standing valve (4) and standing valve seat (12), and the other end links to each other with plunger (7); Described pump barrel (6) bottom connects sand sediment pipe (8) upper end; Described rramming device (11) links to each other with sand sediment pipe (8) lower end, and inside is provided with mobile valve (13) and mobile valve seat (10); It is characterized in that: described standing valve seat (12) cross section is a pyramidal structure, and inside is provided with and is used to make standing valve (4) to be positioned at first pin (3) in the middle of the standing valve seat (12).
2. according to described big gradient of claim 1 and big hole diameter absorption well sand removal instrument, it is characterized in that: described mobile valve seat (10) cross section is a pyramidal structure, and inside is provided with and is used to make mobile valve (13) to be positioned at second pin (9) in the middle of the mobile valve seat (10).
3. according to claim 1 or 2 described big gradients and big hole diameter absorption well sand removal instrument, it is characterized in that: described pump barrel (6) diameter is 90mm.
4. according to claim 1 or 2 described big gradients and big hole diameter absorption well sand removal instrument, it is characterized in that: described sand sediment pipe (8) is the plain end oil well pipe of 73mm or 89mm for diameter.
5. according to claim 1 or 2 described big gradients and big hole diameter absorption well sand removal instrument, it is characterized in that: described rramming device (11) diameter is 89 mm or 120mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202841371U CN201747329U (en) | 2010-08-06 | 2010-08-06 | Sand cleaning tool of large-inclination and large-well diameter absorption well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202841371U CN201747329U (en) | 2010-08-06 | 2010-08-06 | Sand cleaning tool of large-inclination and large-well diameter absorption well |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201747329U true CN201747329U (en) | 2011-02-16 |
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ID=43582012
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202841371U Expired - Fee Related CN201747329U (en) | 2010-08-06 | 2010-08-06 | Sand cleaning tool of large-inclination and large-well diameter absorption well |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201747329U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| USD748228S1 (en) | 2013-01-31 | 2016-01-26 | S.P.M. Flow Control, Inc. | Valve seat |
| US9822894B2 (en) | 2013-11-26 | 2017-11-21 | S.P.M. Flow Control, Inc. | Valve seats for use in fracturing pumps |
| CN107489402A (en) * | 2017-09-20 | 2017-12-19 | 中国石化江汉油田分公司江汉采油厂 | It is a kind of to integrate the pit shaft fettling installation and its operating method for rinsing and dragging for sand |
| CN107869322A (en) * | 2016-09-26 | 2018-04-03 | 中国石油化工股份有限公司 | Drag for sand instrument in underground |
| US10240597B2 (en) | 2012-02-03 | 2019-03-26 | S.P.M. Flow Control, Inc. | Pump assembly including fluid cylinder and tapered valve seats |
| CN110374535A (en) * | 2019-07-22 | 2019-10-25 | 中石化石油工程技术服务有限公司 | A kind of fishing sandpipe column and its fishing sand operational method |
-
2010
- 2010-08-06 CN CN2010202841371U patent/CN201747329U/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10240597B2 (en) | 2012-02-03 | 2019-03-26 | S.P.M. Flow Control, Inc. | Pump assembly including fluid cylinder and tapered valve seats |
| USD748228S1 (en) | 2013-01-31 | 2016-01-26 | S.P.M. Flow Control, Inc. | Valve seat |
| USD787029S1 (en) | 2013-01-31 | 2017-05-16 | S.P.M. Flow Control, Inc. | Valve seat |
| USD856498S1 (en) | 2013-01-31 | 2019-08-13 | S.P.M. Flow Control, Inc. | Valve seat |
| US9822894B2 (en) | 2013-11-26 | 2017-11-21 | S.P.M. Flow Control, Inc. | Valve seats for use in fracturing pumps |
| US10663071B2 (en) | 2013-11-26 | 2020-05-26 | S.P.M. Flow Control, Inc. | Valve seats for use in fracturing pumps |
| US10753495B2 (en) | 2013-11-26 | 2020-08-25 | S.P.M. Flow Control, Inc. | Valve seats for use in fracturing pumps |
| US11585455B2 (en) | 2013-11-26 | 2023-02-21 | Spm Oil & Gas Inc. | Valve seats for use in fracturing pumps |
| CN107869322A (en) * | 2016-09-26 | 2018-04-03 | 中国石油化工股份有限公司 | Drag for sand instrument in underground |
| CN107489402A (en) * | 2017-09-20 | 2017-12-19 | 中国石化江汉油田分公司江汉采油厂 | It is a kind of to integrate the pit shaft fettling installation and its operating method for rinsing and dragging for sand |
| CN110374535A (en) * | 2019-07-22 | 2019-10-25 | 中石化石油工程技术服务有限公司 | A kind of fishing sandpipe column and its fishing sand operational method |
| CN110374535B (en) * | 2019-07-22 | 2024-02-06 | 中石化石油工程技术服务有限公司 | Sand bailing pipe column and sand bailing operation method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110216 Termination date: 20110806 |