CN201314205Y - Oil-tube drilling-tool stabilizer - Google Patents
Oil-tube drilling-tool stabilizer Download PDFInfo
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- CN201314205Y CN201314205Y CNU2008203027824U CN200820302782U CN201314205Y CN 201314205 Y CN201314205 Y CN 201314205Y CN U2008203027824 U CNU2008203027824 U CN U2008203027824U CN 200820302782 U CN200820302782 U CN 200820302782U CN 201314205 Y CN201314205 Y CN 201314205Y
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- stabilizer
- cylindrical shell
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- piston
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Abstract
The utility model relates to an oil-tube stabilizer, in particular to an oil-tube drilling-tool stabilizer, which comprises a tube body and at least one group of stabilizers. Each group of the stabilizers comprises a box-type cylinder body and a movable stabilizer; the box-type cylinder body is positioned in the tube body and connected with the tube body into a whole; a main liquid flow-passage arranged along the axial direction is positioned between the box-type cylinder body and the tube body; the main liquid flow-passage is communicated with inner cavities of connectors at both ends of the tube body; an upper plate is arranged at the upper part of the box-type cylinder body; a through-hole is formed on the upper plate; an upper groove is formed on the tube body corresponding to the upper plate; and the movable stabilizer is installed in the upper groove. The oil-tube drilling-tool stabilizer with reasonable and compact structure as well as convenient use is stabilized by hydraulic pressure, and can be located, distended and contracted effectively in a small oil-tube by utilizing the pressure of drilling mud or drilling-tool liquid; the stabilizer can be closer to a tube wall when the liquid pressure is increased; the oil-tube drilling-tool stabilizer is convenient to raise and lower in a well, is especially suitable for a coiled tubing to drill in the small oil-tube in a horizontal well or a high-inclination well, and can ensure a drill bit to drill in an undeflected manner, so that the working efficiency can be improved greatly; and the loss of a drilling-tool can also be reduced.
Description
One, technical field
The utility model relates to the oil pipe stabilizer, is a kind of oil tube drilling tool stabilizer.
Two, background technology
In the exploration well oil test process, there is following situation, the cement that solidifies is arranged in the oil pipe, oil pipe to be taken out ground, cement in the oil pipe must be bored, Drilling bore bit has huge reaction force in little oil pipe, can make drilling tool generation elastic distortion, at present use stabilizer to be solid shape, gapped with drilled tube wall, stabilizer can not be close to tube wall generation shake in creeping into, and causes bit drills inclined to one side, be difficult to make and bore cement work and finish smoothly, more difficult finishing just in horizontal well or high angle hole.
Three, summary of the invention
The utility model provides a kind of oil tube drilling tool stabilizer, has overcome the deficiency of above-mentioned prior art, and it can effectively solve the little oil pipe inner balancer can not be close to tube wall and produce shake, causes bit drills inclined to one side, causes boring the problem that cement work can not be finished.
The technical solution of the utility model realizes by following measure: a kind of oil tube drilling tool stabilizer, and it comprises cylindrical shell and is no less than one group stabilizer that every group of stabilizer comprises box-shaped cylinder body and movable stabilizer; The box-shaped cylinder body is connected as a single entity in cylindrical shell and with cylindrical shell, and fluid sprue is vertically arranged between box-shaped cylinder body and the cylindrical shell, and this fluid sprue is communicated with the cylindrical shell two ends; Upper plate is arranged at box-shaped cylinder body top, through hole is arranged on upper plate, on the cylindrical shell of upper plate correspondence upper groove is arranged, movable stabilizer is installed in the upper groove, on movable stabilizer, have and be no less than one holdfast, in the box-shaped cylinder body piston is installed, push rod can be in through hole moving axially along push rod, the upper end of push rod is fixedly mounted on the movable stabilizer, the lower end of push rod is fixedly mounted on the piston, form fluid cavity between the bottom of piston and the box-shaped cylinder body, piston can promote push rod outwards moves movable stabilizer, and return spring is enclosed within on the push rod, and the upper end of return spring withstands on the upper plate, the lower end of return spring withstands on the piston, and return spring moves inward movable stabilizer by piston and push rod to reset; The box-shaped inferior part of the cylinder block has and is no less than one fluid passing hole with what the fluid sprue was communicated with fluid cavity.
Be further optimization and/or improvements below to above-mentioned utility model technical scheme:
The aforementioned stable device can comprise built-in stabilizer, on the cylindrical shell of box-shaped cylinder base correspondence, low groove is arranged, being bowl-shape built-in stabilizer is fixedly mounted in the low groove, in the outside on built-in stabilizer bowl top the location that is no less than is installed and surely follows closely, form fluid cavity between the inboard on built-in stabilizer bowl top and the bottom of piston.
On the above-mentioned piston seal groove can be arranged, piston packing ring is installed in seal groove, on movable stabilizer, seal groove be arranged, movable stabilized seal ring is installed in seal groove, between the lower end of built-in stabilizer and cylinder inboard wall and box-shaped cylinder body, joint ring is installed.
On the above-mentioned movable stabilizer installing hole can be arranged, the upper end of push rod is fixedly mounted in the installing hole by screw thread, by screw thread trip bolt is installed in the installing hole; The bottom of trip bolt withstands on the top of push rod, between built-in stabilizer and the cylindrical shell threaded mounting hole is arranged, and set bolt is installed in the threaded mounting hole; Lower part of piston is provided with the four directions, and removal hole is arranged on built-in stabilizer.
The top of the steady nail in above-mentioned location can be higher than the outer face of left oil pipe screw thread and the pairing cylindrical shell of right oil pipe screw thread, and movable stabilizer is lower than the outer face of left oil pipe screw thread and the pairing cylindrical shell of right oil pipe screw thread.
The above-mentioned stabilizer that is no less than two groups can be along the distribution at the linearly interval of axis of cylindrical shell, and stabilizer comprises left stabilizer and right stabilizer, and what left stabilizer and right stabilizer were corresponding mutually is installed on the cylindrical shell.
On the above-mentioned cylindrical shell that is positioned at built-in stabilizer one side the nylon eccentric bushing can be installed.
The above-mentioned stabilizer that is no less than two groups can be the distribution at interval of angle shape along the axis of cylindrical shell, and two groups of stabilizers comprise left stabilizer and right stabilizer, and what left stabilizer and right stabilizer were corresponding mutually is installed on the cylindrical shell.
The adjacent side of the movable stabilizer of above-mentioned left stabilizer and right stabilizer can and cylindrical shell between form monolateral chute, on the cylindrical shell between two monolateral chutes, stopper slot is arranged, stopper slot is connected with the top of monolateral chute, be installed with limiting plate by caging bolt in stopper slot, the outer end of limiting plate is positioned at the top of monolateral chute and can rotates by the restraint stabilizer.
The utility model reasonable and compact in structure, easy to use, it is by stability hydraulic, utilize drilling mud or the drilling tool hydraulic coupling can effectively location, swelling, contraction in little oil pipe, it is tight more that the big more stabilizer of fluid pressure pastes tube wall, is convenient to promote in well and be lowered to, be specially adapted to coiled tubing creeping in the little oil pipe in horizontal well or high angle hole, can guarantee that drill bit does not bore partially, therefore greatly improve operating efficiency, also reduce the loss of drilling tool.
Four, description of drawings
Accompanying drawing 1 is the main TV structure schematic diagram of the utility model embodiment 1.Accompanying drawing 2 is the main TV structure schematic diagram of the utility model embodiment 2.
Accompanying drawing 3 for the A-A of accompanying drawing 1 or accompanying drawing 2 to analysing and observe the structure for amplifying schematic diagram.
Accompanying drawing 4 is the subcontract plan structure schematic diagram of accompanying drawing 3.Accompanying drawing 5 is looked up structural representation for the subcontract of accompanying drawing 3.
Accompanying drawing 7 is the left TV structure schematic diagram of accompanying drawing 1.
Accompanying drawing 8 is that the B-B of accompanying drawing 7 is to the sectional structure schematic diagram.
Accompanying drawing 9 be accompanying drawing 7 B-B to axial sectional structure schematic diagram.
Accompanying drawing 10 for the D-D of accompanying drawing 3 to dwindling the sectional structure schematic diagram.
Accompanying drawing 11 for the E-E of accompanying drawing 3 to dwindling the sectional structure schematic diagram.
Accompanying drawing 12 is the main TV structure schematic diagram of nylon eccentric bushing among the utility model embodiment 1.
Accompanying drawing 13 is that the C-C of accompanying drawing 12 is to the sectional structure schematic diagram.
Coding in the accompanying drawing is respectively: 1 is cylindrical shell, and 2 is movable stabilizer, and 3 is built-in stabilizer, 4 is piston, and 5 is push rod, and 6 is upper plate, 7 is left oil pipe screw thread, and 8 is right oil pipe screw thread, and 9 is through hole, 10 is holdfast, and 11 is return spring, and 12 are the steady nail in location, 13 is fluid cavity, and 14 is the fluid sprue, and 15 is fluid passing hole, 16 is the nylon eccentric bushing, and 17 is monolateral chute, and 18 is caging bolt, 19 is limiting plate, and 20 is piston packing ring, and 21 is movable stabilized seal ring, 22 joint rings, 23 is trip bolt, and 24 is set bolt, and 25 is the four directions, 26 is removal hole, and 27 is the box-shaped cylinder body.
Five, the specific embodiment
The utility model is not subjected to the restriction of following embodiment, can determine concrete embodiment according to the technical solution of the utility model and actual conditions.
Below in conjunction with embodiment and accompanying drawing the utility model is further described:
Shown in accompanying drawing 1 to 11, this oil tube drilling tool stabilizer comprises cylindrical shell 1 and is no less than one group stabilizer that every group of stabilizer comprises box-shaped cylinder body 27 and movable stabilizer 2; Box-shaped cylinder body 27 is connected as a single entity in cylindrical shell 1 and with cylindrical shell 1, and fluid sprue 14 is vertically arranged between box-shaped cylinder body 27 and the cylindrical shell 1, and this fluid sprue 14 is communicated with cylindrical shell 1 two ends; Upper plate is arranged at box-shaped cylinder body 27 tops, through hole 9 is arranged on upper plate 6, on the cylindrical shell 1 of upper plate 6 correspondences upper groove is arranged, movable stabilizer 2 is installed in the upper groove, the holdfast 10 that is no less than one is arranged on movable stabilizer 2, piston 4 is installed in the box-shaped cylinder body 27, push rod 5 can be in through hole 9 moving axially along push rod, the upper end of push rod 5 is fixedly mounted on the movable stabilizer 2, the lower end of push rod 5 is fixedly mounted on the piston 4, form fluid cavity 13 between the bottom of piston 4 and the box-shaped cylinder body 27, piston 4 can promote push rod 5 outwards moves movable stabilizer 2, and return spring 11 is enclosed within on the push rod 5, and the upper end of return spring 11 withstands on the upper plate 6, the lower end of return spring 11 withstands on the piston 4, and return spring 11 moves inward movable stabilizer 2 by piston 4 and push rod 5 to reset; Box-shaped cylinder body 27 bottoms have and are no less than one fluid passing hole 15 with what fluid sprue 14 was communicated with fluid cavity 13.
Can according to actual needs above-mentioned oil tube drilling tool stabilizer be made further optimization and/or improvements:
Shown in accompanying drawing 1 to 3, for the ease of installing, stabilizer comprises built-in stabilizer 3, on the cylindrical shell 1 of box-shaped cylinder body 27 bottom correspondences, low groove is arranged, being bowl-shape built-in stabilizer 3 is fixedly mounted in the low groove, the steady nail 12 in the location that is no less than is installed in the outside on 3 bowls of tops of built-in stabilizer, forms fluid cavity 13 between the inboard on 3 bowls of tops of built-in stabilizer and the bottom of piston 4.
As shown in Figure 3, on the piston 4 seal groove is arranged, piston packing ring 20 is installed in seal groove, on movable stabilizer 2, seal groove is arranged, movable stabilized seal ring 21 is installed in seal groove, between the lower end of built-in stabilizer 3 and cylinder inboard wall and box-shaped cylinder body 27, joint ring 22 is installed.
Shown in accompanying drawing 3,5,6,7, in order to increase stability, on the movable stabilizer 2 installing hole is arranged, the upper end of push rod 5 is fixedly mounted in the installing hole by screw thread, by screw thread trip bolt 23 is installed in installing hole, the bottom of trip bolt 23 withstands on the top of push rod 5; Between built-in stabilizer 3 and the cylindrical shell 1 threaded mounting hole is arranged, set bolt 24 is installed in the threaded mounting hole, and the bottom of piston 4 is provided with four directions 25, and removal hole 26 is arranged on built-in stabilizer 3; In order to increase stability, between built-in stabilizer 3 and the cylindrical shell 1 threaded mounting hole is arranged, set bolt 24 is installed in the threaded mounting hole; The bottom of piston 4 is provided with four directions 25, and like this, four directions 25 can be piston 4 and push rod 6 spinning in and out are used, and for the ease of dismounting, removal hole 26 is arranged on built-in stabilizer 3.
Shown in accompanying drawing 1,2, the top of the steady nail 12 in location is higher than the outer face of left oil pipe screw thread 7 and right oil pipe screw thread 8 pairing cylindrical shells 1, and movable stabilizer 2 is lower than the outer face of left oil pipe screw thread 7 and right oil pipe screw thread 8 pairing cylindrical shells 1.
Can according to actual needs above-mentioned oil tube drilling tool stabilizer be made further optimization and/or improvements:
Embodiment 1: as shown in Figure 1, according to actual needs, the stabilizer that is no less than two groups is along the distribution at the linearly interval of axis of cylindrical shell 1, stabilizer comprises left stabilizer and right stabilizer, what left side stabilizer and right stabilizer were corresponding mutually is installed on the cylindrical shell 1, three groups of stabilizers are preferably arranged on cylindrical shell 1, so just form the direct-discharging oil tube drilling tool stabilizer.
In embodiment 1, shown in accompanying drawing 1,12,13, be positioned on the cylindrical shell 1 of built-in stabilizer 3 one sides nylon eccentric bushing 16 is installed, be used for the tube wall of protective casing.
Embodiment 2: as shown in Figure 2, difference from Example 1 is: according to actual needs, the stabilizer that is no less than two groups is the distribution at interval of angle shape along the axis of cylindrical shell 1, two groups of stabilizers comprise left stabilizer and right stabilizer, left side stabilizer and right stabilizer are installed on the cylindrical shell 1 mutually accordingly, and three groups of stabilizers are preferably arranged on cylindrical shell 1, and three groups of stabilizers are 120 angles of spending and are installed on the cylindrical shell 1, like this, just form wrong row's formula oil tube drilling tool stabilizer.
In embodiment 1 and embodiment 2, shown in accompanying drawing 6,7,8, form monolateral chute 17 between the adjacent side of the movable stabilizer 2 of left side stabilizer and right stabilizer and the cylindrical shell 1, on the cylindrical shell 1 between two monolateral chutes 17, stopper slot is arranged, stopper slot is connected with the top of monolateral chute 17, be installed with limiting plate 19 by caging bolt 18 in stopper slot, the outer end of limiting plate 19 is positioned at the top of monolateral chute 17 and can rotates by restraint stabilizer 2.
In the utility model, for convenience of description, the description of the relative position relation of each parts all is that the Butut mode according to Figure of description is described, as: upper and lower, about etc. the position relation be what to determine according to the Butut direction of Figure of description.
Above technical characterictic has constituted embodiment of the present utility model, and it has stronger compliance and implementation result, can increase and decrease non-essential technical characterictic according to actual needs, satisfies the demand of different situations.
Use of the present utility model: the left oil pipe screw thread 7 of oil tube drilling tool stabilizer is connected with drilling tool, right oil pipe screw thread 8 is connected with oil pipe, fluid main channel 14 connects the two ends section header, drilling mud or drilling tool liquid fluid enter drilling tool by fluid main channel 14 in oil pipe, outside the annular space outflow well of fluid by drilling tool, oil tube drilling tool stabilizer, oil-pipe external wall and internal surface of sleeve pipe that drilling tool returns out; Drilling mud with pressure or drilling tool liquid enter in the fluid cavity 13 from fluid passing hole in the fluid main channel 14, because fluid cavity 13 is by joint ring 22 and piston packing ring 20 sealings, movable stabilized seal ring 21 seals plunger shaft, fluid in the fluid cavity 13 promotes to move on piston 4, push rod 5 and the movable stabilizer 2 compression retracteding position spring 11 simultaneously, moving on the movable stabilizer 2 makes holdfast 10 withstand internal surface of sleeve pipe, the steady nail 12 in the location of built-in stabilizer 3 also withstands internal surface of sleeve pipe simultaneously, plays the stable effect of drilling tool; Fluid release when stopping boring in the oil pipe, compressed return spring 11 is stretched out, and promotes piston 4 and moves down drive activity stabilizer 2 retractions, and the steady nail 12 in holdfast 10 and location is thrown off with internal surface of sleeve pipe, carries out the rountrip of drilling tool.
Claims (10)
- [claim 1] 1, a kind of oil tube drilling tool stabilizer, the stabilizer that it is characterized in that comprising cylindrical shell He be no less than a group, every group of stabilizer comprises box-shaped cylinder body and movable stabilizer; The box-shaped cylinder body is connected as a single entity in cylindrical shell and with cylindrical shell, and fluid sprue is vertically arranged between box-shaped cylinder body and the cylindrical shell, and this fluid sprue is communicated with the cylindrical shell two ends; Upper plate is arranged at box-shaped cylinder body top, through hole is arranged on upper plate, on the cylindrical shell of upper plate correspondence upper groove is arranged, movable stabilizer is installed in the upper groove, on movable stabilizer, have and be no less than one holdfast, in the box-shaped cylinder body piston is installed, push rod can be in through hole moving axially along push rod, the upper end of push rod is fixedly mounted on the movable stabilizer, the lower end of push rod is fixedly mounted on the piston, form fluid cavity between the bottom of piston and the box-shaped cylinder body, piston can promote push rod outwards moves movable stabilizer, and return spring is enclosed within on the push rod, and the upper end of return spring withstands on the upper plate, the lower end of return spring withstands on the piston, and return spring moves inward movable stabilizer by piston and push rod to reset; The box-shaped inferior part of the cylinder block has and is no less than one fluid passing hole with what the fluid sprue was communicated with fluid cavity.
- [claim 2] 2, oil tube drilling tool stabilizer according to claim 1, it is characterized in that stabilizer comprises built-in stabilizer, on the cylindrical shell of box-shaped cylinder base correspondence, low groove is arranged, being bowl-shape built-in stabilizer is fixedly mounted in the low groove, in the outside on built-in stabilizer bowl top the location that is no less than is installed and surely follows closely, form fluid cavity between the inboard on built-in stabilizer bowl top and the bottom of piston.
- [claim 3] 3, oil tube drilling tool stabilizer according to claim 2, it is characterized in that seal groove is arranged on the piston, piston packing ring is installed in seal groove, on movable stabilizer, seal groove is arranged, movable stabilized seal ring is installed in seal groove, between the lower end of built-in stabilizer and cylinder inboard wall and box-shaped cylinder body, joint ring is installed.
- [claim 4] 4, oil tube drilling tool stabilizer according to claim 3 is characterized in that on the movable stabilizer installing hole being arranged, and the upper end of push rod is fixedly mounted in the installing hole by screw thread, by screw thread trip bolt are installed in the installing hole; The bottom of trip bolt withstands on the top of push rod, between built-in stabilizer and the cylindrical shell threaded mounting hole is arranged, and set bolt is installed in the threaded mounting hole; Lower part of piston is provided with the four directions, and removal hole is arranged on built-in stabilizer.
- [claim 5] 5, oil tube drilling tool stabilizer according to claim 4, the top that it is characterized in that locating steady nail is higher than the outer face of left oil pipe screw thread and the pairing cylindrical shell of right oil pipe screw thread, and movable stabilizer is lower than the outer face of left oil pipe screw thread and the pairing cylindrical shell of right oil pipe screw thread.
- [claim 6] 6, according to claim 2 or 3 or 4 or 5 described oil tube drilling tool stabilizers, the stabilizer that it is characterized in that being no less than two groups is along the distribution at the linearly interval of axis of cylindrical shell, two groups of stabilizers comprise left stabilizer and right stabilizer, and what left stabilizer and right stabilizer were corresponding mutually is installed on the cylindrical shell.
- [claim 7] 7, oil tube drilling tool stabilizer according to claim 6 is characterized in that being positioned on the cylindrical shell of built-in stabilizer one side the nylon eccentric bushing are installed.
- [claim 8] 8, according to claim 2 or 3 or 4 or 5 described oil tube drilling tool stabilizers, the stabilizer that it is characterized in that being no less than two groups is the distribution at interval of angle shape along the axis of cylindrical shell, two groups of stabilizers comprise left stabilizer and right stabilizer, and what left stabilizer and right stabilizer were corresponding mutually is installed on the cylindrical shell.
- [claim 9] 9, oil tube drilling tool stabilizer according to claim 7, it is characterized in that forming monolateral chute between the adjacent side of movable stabilizer of left stabilizer and right stabilizer and the cylindrical shell, on the cylindrical shell between two monolateral chutes, stopper slot is arranged, stopper slot is connected with the top of monolateral chute, be installed with limiting plate by caging bolt in stopper slot, the outer end of limiting plate is positioned at the top of monolateral chute and can rotates by the restraint stabilizer.
- [claim 10] 10, oil tube drilling tool stabilizer according to claim 8, it is characterized in that forming monolateral chute between the adjacent side of movable stabilizer of left stabilizer and right stabilizer and the cylindrical shell, on the cylindrical shell between two monolateral chutes, stopper slot is arranged, stopper slot is connected with the top of monolateral chute, be installed with limiting plate by caging bolt in stopper slot, the outer end of limiting plate is positioned at the top of monolateral chute and can rotates by the restraint stabilizer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008203027824U CN201314205Y (en) | 2008-11-13 | 2008-11-13 | Oil-tube drilling-tool stabilizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008203027824U CN201314205Y (en) | 2008-11-13 | 2008-11-13 | Oil-tube drilling-tool stabilizer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201314205Y true CN201314205Y (en) | 2009-09-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008203027824U Expired - Lifetime CN201314205Y (en) | 2008-11-13 | 2008-11-13 | Oil-tube drilling-tool stabilizer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201314205Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101403282B (en) * | 2008-11-13 | 2012-06-27 | 新疆石油管理局试油公司 | Oil tube drilling tool stabilizer |
| CN108505957A (en) * | 2018-05-07 | 2018-09-07 | 上海广大基础工程有限公司 | A kind of reaming stirring drill tool combination |
-
2008
- 2008-11-13 CN CNU2008203027824U patent/CN201314205Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101403282B (en) * | 2008-11-13 | 2012-06-27 | 新疆石油管理局试油公司 | Oil tube drilling tool stabilizer |
| CN108505957A (en) * | 2018-05-07 | 2018-09-07 | 上海广大基础工程有限公司 | A kind of reaming stirring drill tool combination |
| CN108505957B (en) * | 2018-05-07 | 2023-08-04 | 上海广大基础工程有限公司 | Reaming stirring drilling tool assembly |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20090923 Effective date of abandoning: 20081113 |