CN203214023U - Reusable sand preventing pipe - Google Patents
Reusable sand preventing pipe Download PDFInfo
- Publication number
- CN203214023U CN203214023U CN 201220574660 CN201220574660U CN203214023U CN 203214023 U CN203214023 U CN 203214023U CN 201220574660 CN201220574660 CN 201220574660 CN 201220574660 U CN201220574660 U CN 201220574660U CN 203214023 U CN203214023 U CN 203214023U
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- Prior art keywords
- boxing
- stainless steel
- steel sleeve
- pipe
- sand preventing
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Abstract
The utility model relates to a reusable sand preventing pipe. The reusable sand preventing pipe comprises a base pipe, a boxing stainless steel sleeve, a welded positioning ring, a clamping spring positioning cap, a tubing coupling and sealing rings. The upper end of the base pipe is connected with the tubing coupling via a pipe thread buckle and after the sealing rings are put in the boxing stainless steel sleeve, the boxing stainless steel sleeve is fixed on the base pipe by the clamping spring positioning cap and the welded positioning ring. The clamping spring positioning cap, a key component for reuse, is taken out by special tools after the sand preventing pipe is taken out by operation. After the clamping spring positioning cap is taken out, the boxing stainless steel sleeve and base pipe are disassembled, and these components are cleaned, dried and reassembled, the boxing stainless steel sleeve can be reused. The sand preventing pipe is characterized by simple structure, rational and ingenious design, high intensity, large over-current area, good seepage ability and outstanding high temperature resistance and corrosion resisting ability and especially by easy disassembly and cleaning and great reusability. The sand preventing pipe can effectively solve a sand preventing problem of oil, gas and water wells and achieve cost reduction, yield increase and efficiency improvement.
Description
Technical field:
The utility model relates to a kind of for oil field oil, gas, well, the downhole tool of the serious well that particularly shakes out, fractured well, polymer displacement oil well sand control.
Background technology:
Along with oil field development and producing well, water injection well, the prolongation of gas recovery well production run time, the problem of shaking out of oil gas water well is on the rise, the oil well pump sand card that causes thus, the water injection well bottom pollutes, phenomenons such as water injection well pressure rising frequently take place, the gas recovery well natural gas is taken the sand abrasion tube wall and is smashed gas meter and happen occasionally, and the ordinary production of profit gas well is caused have a strong impact on, and has increased cost of production.In order to solve this thorny problem, at present field by using such as metal ring joint-cutting, stainless steel plate mesh formula, draw multiple anti-sandpipes such as a formula, laser slotted formula, although the said goods has played certain effect respectively in the practice that sand control is used, but still it is low to exist intensity, area of passage is little, seepage flow is poor, a lot of deficiencies such as application life is short particularly can not be reused, and enterprise's cost of production is increased, be difficult to satisfy and produce actual requirement, influenced economic benefit of enterprises.
The utility model content:
The purpose of this utility model is to provide a kind of intensity height, oozes good fluidity, and area of passage is big, corrosion-and high-temp-resistant, and life cycle is long, the reusable anti-sandpipe that sand controlling result is good.
The utility model scheme:
A kind of reusable anti-sandpipe is made up of parent tube (1), boxing stainless steel sleeve (2), welding locating ring (3), jump ring positioning cap (4), tubing coupling (5), sealing ring (6); It is characterized in that: parent tube (1) upper end links with gas thread button and tubing coupling (5), the outside is with boxing stainless steel sleeve (2), after boxing stainless steel sleeve (2) two ends added sealing ring (6), soldered locating ring (3) and jump ring positioning cap (4) were fixed on the parent tube (1).
It is characterized in that, parent tube (1) two ends car has the gas thread button, be drilled with a plurality of seepage flow hole between middle designation area, seepage flow hole one side outer rim car has the fixedly jump ring button of jump ring positioning cap (4), and boxing stainless steel sleeve (2) is one can freely dismantle the cylinder that there is plumb joint at two ends.
The purpose of this utility model is to realize like this, the anti-sandpipe of this kind is by parent tube, boxing stainless steel sleeve, the welding locating ring, the jump ring positioning cap, tubing coupling, sealing ring is formed, its relation of assembling is as follows: the parent tube upper end that has a seepage flow hole with the gas thread button tighten tubing coupling be convenient to oil well pump or and water injection string, the gas production tubing string connects, parent tube is welded with the welding locating ring near the outside, tubing coupling end seepage flow hole assigned address, boxing stainless steel sleeve is enclosed within on the parent tube and leans against tightly on the welding locating ring from the other end, then the jump ring positioning cap is worn on the jump ring locating button of other side assigned address of seepage flow hole, firmly the jump ring positioning cap is held out against sternly towards welding locating ring direction, boxing stainless steel sleeve is fixed on (boxing stainless steel sleeve two ends are with sealing ring) on the parent tube.The tubing coupling of anti-sandpipe upper end and oil well pump or water injection string, gas production tubing string are connected during use, and lower end and tail pipe or tubing anchor link also thereupon under the lower going-into-well.Owing to have the boxing stainless steel sleeve intensity height that is overlapping on the parent tube in seepage flow hole, area of passage is big, oozes good fluidity, and corrosion-and high-temp-resistant is convenient to advantages such as cleaning, thereby can reach the duty cycle that increases the service life with oil gas water well; Particularly can reusablely design, can be after operation trips out anti-sandpipe, use special tool, take off the jump ring positioning cap, boxing stainless steel sleeve is taken off, clean together with parent tube and dry, reconfigure and to reuse, reduce cost of production widely, improved economic benefit of enterprises.
The utility model is simple in structure, novel in design, be skillfully constructed, have the mechanical performance height, long service life, area of passage is big, ooze good fluidity, corrosion-and high-temp-resistant and advantage such as reusable utilize it can effectively solve the sand control difficult problem of serious well, fractured well, polymer displacement oil well and gas recovery well, water injection well of shaking out of recovering the oil, the purpose that having reached reduces production costs increases production and improves productivity.
Description of drawings:
Accompanying drawing is the utility model structural representation
The specific embodiment
Be described further below in conjunction with enforcement of the present utility model.
As shown in the figure, the utility model is by parent tube 1, boxing stainless steel sleeve 2, and welding locating ring 3, jump ring positioning cap 4, tubing coupling 5, sealing ring 6 is formed.Wherein parent tube 1 employing N80 steel 27/8 " make, and the two ends car has the gas thread button, is drilled with a plurality of seepage flow hole between middle designation area, and seepage flow hole one side outer rim car has the fixedly jump ring button of jump ring positioning cap 4 by oil pipe; Boxing stainless steel sleeve 2 is one can freely dismantle the cylinder that there is plumb joint at two ends, be with stainless steel " V " shape silk use special equipment with its boxing on 20 support rods of equivalent material, 2.2 millimeters of kerf spacings, the slit is less than 0.3 millimeter.Because wide capable chamfered of " V " shape silk, the inside and outside slit of sleeve slightly is horn-like, is easy to after taking off clean; Welding locating ring 3 is by the 45# steel, 73.5 millimeters of internal diameters, and the metal ring that external diameter is 89 millimeters is welded on tubing coupling 5 one side seepage flow hole outer rim appointed positions, and boxing stainless steel sleeve tube 2 is played the role of positioning; Jump ring positioning cap 4 is that a collapsible tempering of opening was handled dismountable elastic metallic ring, after boxing stainless steel sleeve 2 is enclosed within parent tube 1, withstand on the welding locating ring 3 that is added with sealing ring 6, use special tool jump ring positioning cap 4 to be stuck in jump ring is buckled and the top is tight inwards.(4 of boxing stainless steel sleeve 2 and jump ring positioning caps add sealing ring 6) makes boxing stainless steel sleeve 2 be fixed on the parent tube 1 firmly sternly, after anti-sandpipe is taken out in operation, with special tool jump ring positioning cap 4 is taken off, stainless steel sleeve 2 is taken off, dry the back reorganization together with parent tube 1 cleaning and get time use ready; Sealing ring 6 is added in boxing stainless steel sleeve 2 outsides and seals; Tubing coupling 5 is tightened in the gas thread of welding locating ring 3 one ends and buckles, and is convenient to be connected with oil-well pump of oil well or gas, well tubing string.
Claims (3)
1. a reusable anti-sandpipe is made up of parent tube (1), boxing stainless steel sleeve (2), welding locating ring (3), jump ring positioning cap (4), tubing coupling (5), sealing ring (6); It is characterized in that: parent tube (1) upper end is connected with tubing coupling (5) with the gas thread button, the outside is with boxing stainless steel sleeve (2), after boxing stainless steel sleeve (2) two ends added sealing ring (6), soldered locating ring (3) and jump ring positioning cap (4) were fixed on the parent tube (1).
2. reusable anti-sandpipe according to claim 1 is characterized in that, parent tube (1) two ends car has the gas thread button, is drilled with a plurality of seepage flow hole between middle designation area, and seepage flow hole one side outer rim car has the fixedly jump ring button of jump ring positioning cap (4).
3. reusable anti-sandpipe according to claim 1 is characterized in that, boxing stainless steel sleeve (2) is one can freely dismantle the cylinder that there is plumb joint at two ends.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220574660 CN203214023U (en) | 2012-10-13 | 2012-10-13 | Reusable sand preventing pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220574660 CN203214023U (en) | 2012-10-13 | 2012-10-13 | Reusable sand preventing pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203214023U true CN203214023U (en) | 2013-09-25 |
Family
ID=49203570
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220574660 Expired - Fee Related CN203214023U (en) | 2012-10-13 | 2012-10-13 | Reusable sand preventing pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203214023U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113494278A (en) * | 2021-08-12 | 2021-10-12 | 大安鸿源管业有限公司 | Large-flow-rate high-efficiency underground oil extraction sand prevention device |
-
2012
- 2012-10-13 CN CN 201220574660 patent/CN203214023U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113494278A (en) * | 2021-08-12 | 2021-10-12 | 大安鸿源管业有限公司 | Large-flow-rate high-efficiency underground oil extraction sand prevention device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130925 Termination date: 20201013 |