CN202483490U - Multipoint support type hydraulic anchor - Google Patents
Multipoint support type hydraulic anchor Download PDFInfo
- Publication number
- CN202483490U CN202483490U CN2012201056547U CN201220105654U CN202483490U CN 202483490 U CN202483490 U CN 202483490U CN 2012201056547 U CN2012201056547 U CN 2012201056547U CN 201220105654 U CN201220105654 U CN 201220105654U CN 202483490 U CN202483490 U CN 202483490U
- Authority
- CN
- China
- Prior art keywords
- hydraulic anchor
- anchor body
- holes
- hydraulic
- fluke
- 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 - Fee Related
Links
Abstract
The utility model relates to a hydraulic anchor, and especially relates to a multipoint support type hydraulic anchor. The hydraulic anchor comprises a hydraulic anchor body with holes, an anchor fluke releasing mechanism is arranged in the holes on the hydraulic anchor body, an effect of sealing is formed through an O-shaped seal ring, and the holes are arranged at a certain interval in a vertical spiral linear 30-degree arrangement mode. As the holes are arranged at a certain interval in a vertical spiral linear 30-degree arrangement mode, the holes on the unit surface of the hydraulic anchor body are increased, on the basis of a certain anchoring force, the length of the hydraulic anchor body can be shortened; as the holes are arranged at a certain interval in a vertical spiral linear 30-degree arrangement mode, the anchoring force can be equalized, so that the damage to a casing pipe is small; and an anti-sand positioning tube is nested in the hydraulic anchor body, so that sand can be effectively prevented from entering into the holes on the hydraulic anchor body, and an effect of clamping an anchor fluke can be achieved.
Description
Technical field
The utility model relates to a kind of hydraulic anchor, relates in particular to a kind of multi-point support formula hydraulic anchor.
Background technology
Hydraulic anchor is the indispensable equipment of drilling well petroleum operations, and it is exerted pressure through oil pipe and forms oil jacket pressure reduction, outwards move along the hole on the hydraulic anchor body at anchor fluke relieving mechanism under the effect of tubing pressure, and with the sleeve pipe interlock, play the effect of anchoring string.It is horizontal that existing hole is generally vertical vertical spacing, for bigger anchorage force is provided, needs a plurality of anchor fluke relieving mechanisms and sleeve pipe interlock, and a plurality of holes are set on the hydraulic anchor body, cause whole hydraulic anchor body long, and its anchorage force is big to casing damage.
The utility model content
The utility model technical problem to be solved is, overcomes the deficiency that exists in the prior art, and a kind of hydraulic anchor body length and anchorage force multi-point support formula hydraulic anchor little to casing damage of shortening is provided.
The utility model is to be achieved through following technical scheme:
A kind of multi-point support formula hydraulic anchor comprises the hydraulic anchor body that has the hole, and the anchor fluke relieving mechanism is installed in the hole on the hydraulic anchor body, forms sealing through the O RunddichtringO, and said hole is that longitudinal spiral is spaced for linear 30 °.
Said hydraulic anchor body interior is socketed with the sand control positioning pipe.
The anchor fluke of said anchor fluke relieving mechanism for setting gradually to the outside from the hydraulic anchor body interior, anchor fluke return spring and spring bearer plate, said spring bearer plate is fixed on the hydraulic anchor body.
The beneficial effect of the utility model is:
Because the hole adopts longitudinal spiral to be spaced for linear 30 °; Increase in hole, unit hydraulic anchor surface, on the anchorage force certain basis, can the hydraulic anchor body length be shortened; And this kind longitudinal spiral linearity is spaced for 30 ° and can makes the anchorage force equilibrium little to casing damage; Be socketed with the sand control positioning pipe in the hydraulic anchor body interior, can prevent effectively that the sand thing from getting in the hole on the hydraulic anchor body, and anchor fluke is caused clamping stagnation.
Description of drawings
Fig. 1 is the main TV structure sketch map of the utility model.
Among the figure: 1, hydraulic anchor body, 2, anchor fluke, 3, the anchor fluke return spring, 4, spring bearer plate, 5, the spring bearer plate set bolt, 6, the O RunddichtringO, 7, the sand control positioning pipe.
The specific embodiment
For the technician who makes the present technique field understands the technical scheme of the utility model better, the utility model is done further to specify below in conjunction with accompanying drawing and most preferred embodiment.
As shown in Figure 1, the utility model comprises the hydraulic anchor body 1 that has the hole, and the anchor fluke relieving mechanism is installed in the hole on the hydraulic anchor body, and through 6 one-tenth sealings of O RunddichtringO shape, said hole is that the linear a of longitudinal spiral is 30 ° and is spaced.
Exert pressure through oil pipe during work and form oil jacket pressure reduction, on anchor fluke 2 under the effect of tubing pressure, compressing anchor fluke return spring 3 outwards moves anchor fluke 2 along the hole on the hydraulic anchor body 1, and through spring bearer plate 4 and sleeve pipe interlock, plays the effect of anchoring string.
Said hydraulic anchor body interior is socketed with sand control positioning pipe 7.
Because the hole adopts longitudinal spiral to be spaced for linear 30 °, increases in hole, unit hydraulic anchor surface, on the anchorage force certain basis; Can the hydraulic anchor body length be shortened, and this kind longitudinal spiral is spaced and can makes the anchorage force equilibrium little to casing damage for linear 30 °, be socketed with sand control positioning pipe 7 in the hydraulic anchor body interior; When the water that carries the sand thing injects the sand control positioning pipe; Water imports pressure along the space between sand control positioning pipe 7 and the hydraulic anchor body 1 from top to bottom, and the sand thing then can't rise; Can prevent effectively that the sand thing from getting in the hole on the hydraulic anchor body, and anchor fluke is caused clamping stagnation.
The anchor fluke of said anchor fluke relieving mechanism for setting gradually to the outside from the hydraulic anchor body interior, anchor fluke return spring and spring bearer plate, said spring bearer plate is fixed on the hydraulic anchor body.
The above only is the preferred implementation of the utility model; Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the utility model principle; Can also make some improvement and retouching, these improvement and retouching also should be regarded as the protection domain of the utility model.
Claims (3)
1. a multi-point support formula hydraulic anchor comprises the hydraulic anchor body that has the hole, and the anchor fluke relieving mechanism is installed in the hole on the hydraulic anchor body, forms sealing through the O RunddichtringO, it is characterized in that, said hole is that longitudinal spiral is spaced for linear 30 °.
2. a kind of multi-point support formula hydraulic anchor according to claim 1 is characterized in that said hydraulic anchor body interior is socketed with the sand control positioning pipe.
3. a kind of multi-point support formula hydraulic anchor according to claim 1 and 2; It is characterized in that; The anchor fluke of said anchor fluke relieving mechanism for setting gradually to the outside from the hydraulic anchor body interior, anchor fluke return spring and spring bearer plate, said spring bearer plate is fixed on the hydraulic anchor body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201056547U CN202483490U (en) | 2012-03-20 | 2012-03-20 | Multipoint support type hydraulic anchor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201056547U CN202483490U (en) | 2012-03-20 | 2012-03-20 | Multipoint support type hydraulic anchor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202483490U true CN202483490U (en) | 2012-10-10 |
Family
ID=46957917
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201056547U Expired - Fee Related CN202483490U (en) | 2012-03-20 | 2012-03-20 | Multipoint support type hydraulic anchor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202483490U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102966321A (en) * | 2012-12-26 | 2013-03-13 | 天津汇铸石油设备科技有限公司 | Hydraulic anchor |
-
2012
- 2012-03-20 CN CN2012201056547U patent/CN202483490U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102966321A (en) * | 2012-12-26 | 2013-03-13 | 天津汇铸石油设备科技有限公司 | Hydraulic anchor |
| CN102966321B (en) * | 2012-12-26 | 2016-09-28 | 天津汇铸石油设备科技有限公司 | Hydraulic anchor |
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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 |
Granted publication date: 20121010 Termination date: 20150320 |
|
| EXPY | Termination of patent right or utility model |