CN203961809U - Super large caliber Drilling Water mud collar structure - Google Patents
Super large caliber Drilling Water mud collar structure Download PDFInfo
- Publication number
- CN203961809U CN203961809U CN201420395211.5U CN201420395211U CN203961809U CN 203961809 U CN203961809 U CN 203961809U CN 201420395211 U CN201420395211 U CN 201420395211U CN 203961809 U CN203961809 U CN 203961809U
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- circle body
- cement
- cement circle
- super large
- large caliber
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- Expired - Fee Related
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Abstract
Super large caliber Drilling Water mud collar structure, this cement coil structures has the cement circle body of a positive annular, in the top edge of cement circle body, be provided with a protruding wild goose tail projection, in the lower edge of cement circle body, be provided with a wild goose stern notch being connected with wild goose tail projection shiding matching, on cement circle body sidewall, have axial groove, in groove, coincide and be stained with wall casing, in the top edge of the cement circle of foot, have cross supporting frame fixing hole.Described wall casing is a kind of plastic conduit or metal tube, has several through holes on the outer wall of this pipe.This kind of super large caliber Drilling Water mud collar is simple in structure, easy construction, and firm reliable, globality is strong, is the reliable structure of super large caliber drill drilling operation.
Description
Technical field
the utility model relates to the cement coil structures in a kind of drillng operation, especially a kind of super large caliber Drilling Water mud collar structure.
Background technology
at present, all smaller for the drilling well bore of drillng operation, its drilling well wall wall around will well solve, but, concerning the well wall of super large caliber drilling well, its difficulty of construction is just more difficult, because super large drilling well relative aperture is larger, generally all more than 5 meters, what have reaches tens meters, even twenties meters even, bigbore like this drilling well, and the volume and weight of its well wall is just huge especially, due to these two huge, its construction technology, transportation and operation are just very difficult.
Utility model content
in order to solve construction operation and the transportation problem of super large caliber Drilling Water mud collar in drillng operation, the utility model provides a kind of super large caliber Drilling Water mud collar structure, and this cement coil structures is simple, easy construction, firm reliable, globality is strong, is the reliable structure of super large caliber drill drilling operation.
the utility model solves the concrete scheme that its technical problem adopts: this super large caliber Drilling Water mud collar structure comprises wild goose tail projection, wall casing, wild goose stern notch and bracing frame fixing hole, this cement coil structures has the cement circle body of a positive annular, in the top edge of cement circle body, be provided with a protruding wild goose tail projection, in the lower edge of cement circle body, be provided with a wild goose stern notch being connected with wild goose tail projection shiding matching, on cement circle body sidewall, have axial groove, in groove, coincide and be bonded with wall casing, in the top edge of the cement circle body of foot, have cross supporting frame fixing hole, this hole can make the joint that stretches out of the cross supporting frame electromagnetic liquid cylinder pressure of super large caliber rig insert fixing.When wellbore construction, on the ground near selected drilling well, first cement circle forming and hardening, then be pulled on the level land of selected well head top, on cement circle, progressively install super large caliber rig, then start drillng operation, because this super large caliber rig is constantly discharged the earth of cement circle body bottom, cement circle progressively sinks, until it is concordant with ground to sink to the top edge of cement circle body, this super large caliber rig is stopped operation, on the top edge face of cement circle body, be coated with and spread the cement circle cementing agent preparing, then second prefabricated cement circle body is pushed into be coated with and wipes on the cement circle body of cement bonding agent, allow the wild goose tail projection of first cement circle and the wild goose stern notch of second cement circle body coincide fixing, the wall casing that makes in addition cement circle body also mutually coincide peg graft fixing, and then unlatching super large caliber drill drilling operation, after again the earth of cement circle body bottom being got rid of, second cement circle body progressively follows up again to fall by the pressure of weight own, when cement circle edge suitable for reading is again concordant with ground, reuse technique above, making the wild goose tail projection of second cement circle body and the wild goose stern notch of the 3rd cement circle body align to coincide fixes, its upper and lower wall casing also again coincide to peg graft and fixes, again open this super large caliber drill drilling operation, go round and begin again like this, cement circle body constantly superposes, until rig is drilled into the drilling depth needing.
wall casing described in this is a kind of plastic conduit or metal tube, on the outer wall of this pipe, have several through holes, the effect of this through hole has two, an effect is after the earth of cement circle bottom is excluded totally, because the frictional force of cement circle body and the borehole wall is too large, even be greater than the weight of cement circle, impel cement circle body can not continue to fall, now, to water filling in wall casing, make on the cement circle body borehole wall around after water pouring, its frictional force declined and be less than the weight of cement circle body, thereby impelling cement circle constantly to fall; Second effect is after whole drillng operation completes, grout injection from this wall casing, cement paste is diffused in borehole wall earth around from the through hole of wall casing surrounding to be gone, thereby reach integral cement circle body and shaft wall structure better in conjunction with fixing, to tackle because the deformation of address from now on changes to integral cement circle body with harmful effect, thereby reach the long-term more stable and stronger of integral cement circle body, avoid the accident of revealing and being out of shape to occur.
the beneficial effects of the utility model are, this kind of super large caliber Drilling Water mud collar structure, and this cement coil structures is simple, easy construction, firm reliable, globality is strong, is the reliable structure of super large caliber drill drilling operation.
Accompanying drawing explanation
below in conjunction with drawings and Examples, the utility model is described in further detail.
fig. 1 is structural principle schematic diagram of the present utility model.
fig. 2 is that the utility model is at the installation site schematic diagram of super large caliber drilling well rig total installed capacity.
in figure, 1. wild goose tail is protruding, 2. cement circle body, 3. wall casing, 4. wild goose stern notch, 5. sidewall, 6. bracing frame fixing hole, 7. electromagnetic liquid cylinder pressure, 8. cross supporting frame.
The specific embodiment
in the drawings, this super large caliber Drilling Water mud collar structure comprises wild goose tail projection 1, wall casing 3, wild goose stern notch 4 and bracing frame fixing hole 6, this cement coil structures has the cement circle body 2 of a positive annular, in the top edge of cement circle body 2, be provided with a protruding wild goose tail projection 1, in the lower edge of cement circle body 2, be provided with a wild goose stern notch 4 being connected with wild goose tail projection 1 shiding matching, on cement circle body sidewall 5, have axial groove, in groove, coincide and be bonded with wall casing 3, in the top edge of the cement circle body 2 of foot, have cross supporting frame 8 fixing holes 6, this hole can make the joint that stretches out of the cross supporting frame 8 electromagnetic liquid cylinder pressures 7 of super large caliber rig insert fixing.When wellbore construction, on the ground near selected drilling well, first cement circle forming and hardening, then be pulled on the level land of selected well head top, on cement circle 5, progressively install super large caliber rig, then start drillng operation, because this super large caliber rig is constantly discharged the earth of cement circle body 2 bottoms, cement circle progressively sinks, until it is concordant with ground to sink to the top edge of cement circle body 2, this super large caliber rig is stopped operation, on the top edge face of cement circle body 2, be coated with and spread the cement circle cementing agent preparing, then second prefabricated cement circle body 2 is pushed into be coated with and wipes on the cement circle body 2 of cement bonding agent, allow the wild goose stern notch 4 of 1 and second cement circle body 2 of wild goose tail projection of first cement circle coincide fixing, the wall casing 3 that makes in addition cement circle body 2 also mutually coincide peg graft fixing, and then unlatching super large caliber drill drilling operation, after again the earth of cement circle body 2 bottoms being got rid of, second cement circle body 2 leans on the pressure of weight own progressively to follow up again to fall, when cement circle edge suitable for reading is again concordant with ground, reuse technique above, make the wild goose stern notch 4 of 1 and the 3rd cement circle body 2 of wild goose tail projection of second cement circle body 2 align identical fixing, its upper and lower wall casing 3 also again coincide to peg graft and fixes, again open this super large caliber drill drilling operation, go round and begin again like this, cement circle body 2 constantly superposes, until rig is drilled into the drilling depth needing.
wall casing 3 described in this is a kind of plastic conduit or metal tube, on the outer wall of this pipe, have several through holes, the effect of this through hole has two, an effect is after the earth of cement circle bottom is excluded totally, because the frictional force of cement circle body 2 and the borehole wall is too large, even be greater than the weight of cement circle, impel cement circle body 2 can not continue to fall, now, to water filling in wall casing 3, make on cement circle body 2 borehole wall around after water pouring, its frictional force declined and be less than the weight of cement circle body 2, thereby impelling cement circle constantly to fall; Second effect is after whole drillng operation completes, grout injection from this wall casing 3, cement paste is diffused in borehole wall earth around from the through hole of wall casing 3 surroundings to be gone, thereby better combination is fixing with shaft wall structure to reach integral cement circle body 2, to tackle because the deformation of address from now on changes to integral cement circle body 2 with harmful effect, thereby reach the long-term more stable and stronger of integral cement circle body 2, avoid the accident of revealing and being out of shape to occur.
Claims (2)
1.
a kind of super large caliber Drilling Water mud collar structure, comprise wild goose tail projection (1), wall casing (3), wild goose stern notch (4) and bracing frame fixing hole (6), it is characterized in that: this cement coil structures has the cement circle body (2) of a positive annular, in the top edge of cement circle body (2), be provided with a protruding wild goose tail projection (1), in the lower edge of cement circle body (2), be provided with a wild goose stern notch (4) being connected with wild goose tail projection (1) shiding matching, on cement circle body sidewall (5), have axial groove, in groove, coincide and be bonded with wall casing (3), in the top edge of the cement circle body (2) of foot, have cross supporting frame fixing hole (6).
2.
a kind of super large caliber Drilling Water mud collar structure according to claim 1, is characterized in that: the wall casing described in this (3) is a kind of plastic conduit or metal tube, has several through holes on the outer wall of this pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420395211.5U CN203961809U (en) | 2014-07-17 | 2014-07-17 | Super large caliber Drilling Water mud collar structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420395211.5U CN203961809U (en) | 2014-07-17 | 2014-07-17 | Super large caliber Drilling Water mud collar structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203961809U true CN203961809U (en) | 2014-11-26 |
Family
ID=51922408
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420395211.5U Expired - Fee Related CN203961809U (en) | 2014-07-17 | 2014-07-17 | Super large caliber Drilling Water mud collar structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203961809U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104100205A (en) * | 2014-07-17 | 2014-10-15 | 徐州工程学院 | Cement ring structure of ultralarge-diameter drill well and construction method |
-
2014
- 2014-07-17 CN CN201420395211.5U patent/CN203961809U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104100205A (en) * | 2014-07-17 | 2014-10-15 | 徐州工程学院 | Cement ring structure of ultralarge-diameter drill well and construction method |
| CN104100205B (en) * | 2014-07-17 | 2017-02-15 | 徐州工程学院 | Cement ring structure of ultralarge-diameter drill well and construction method |
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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: 20141126 Termination date: 20160717 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |