CN105275394A - Novel angle controllable rotation guiding tool - Google Patents
Novel angle controllable rotation guiding tool Download PDFInfo
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- CN105275394A CN105275394A CN201510711122.6A CN201510711122A CN105275394A CN 105275394 A CN105275394 A CN 105275394A CN 201510711122 A CN201510711122 A CN 201510711122A CN 105275394 A CN105275394 A CN 105275394A
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Abstract
The invention discloses a novel angle controllable rotation guiding tool in petroleum directional drilling. The tool aims to adjust control for a drilling angle according to downhole conditions and improve the drilling efficiency. The novel rotation guiding tool comprises an upper hydraulic pressure angle control assembly, a clutch control assembly and a deviation device assembly, wherein the hydraulic pressure angle control assembly comprises a hollow spindle, a multi-angle knocking ring capable of moving in a reciprocating mode along the hollow spindle, the clutch control assembly is formed by meshing two shafts with keys and keyways, the deviation device assembly comprises a deviation execution mechanism, and constitution of a rotation shell can be controlled. A slidably piston mechanism can be controlled to be at two positions through controlling the flow rate, wherein the piston mechanism connects a fluid and the deviation execution mechanism at one position so as to realize directional drilling, and the piston mechanism isolates the fluid from getting into the deviation execution mechanism at the other position so as to realize vertical drilling. The novel tool disclosed by the invention is simple in structure and capable of realizing multi-angle drilling control.
Description
Technical field
The present invention relates to oil-gas drilling engineering downhole orientation well drilling tool apparatus field, the rotary steerable tool that particularly a kind of angle is controlled.
Background technology
Rotary steerable drilling system (RotarySteerableSystems, be called for short RSS) be when drill string rotating is crept into, with boring a kind of guide type well system completing guide function in real time, current international rotary steerable drilling system, can be divided into pushing type (PushtheBit) and directional type (PointtheBit) two kinds according to its guidance mode.
In recent years, along with domestic and international most of oil field enters development late stage in succession, and new exploratory area major part is all in particular surroundings, and exploration and development difficulty and cost are increased.In order to improve the rate of oil and gas recovery, reduce costs, the special well technology such as ultradeep well, highly difficult directional well, cluster well, horizontal well, extended reach well, multihole well and three-dimensional multi target well occur and in widespread attention in succession, and can guide or control the rotary steerable drilling technology that well creeps into by predetermined well track (geometry guiding) or predetermined formation at target locations (geosteering) and become the key technology being drilled to these highly difficult complex structural wells.
In addition, the exploitation of the unconventional petroleum resources such as shale gas needs RSS technology.In order to reduce shale gas development cost, obtain higher earning rate, cluster horizontal well has become the main drilling mode of shale gas exploitation.In cluster horizontal well drillng operation, in order to accelerate bit speed, extending horizontal segment displacement, improving single well productivity, requisite technical equipment during RSS has just become shale gas to develop.
Therefore the Novel rotary steering tool studying a kind of angle controlled is significant.
Summary of the invention
In order to improve drilling efficiency, realizing downhole drill Angle ambiguity, the invention provides the Novel rotary steering tool that a kind of angle is controlled, make to adjust drilling well angle at any time in drilling engineering.
Object of the present invention is realized by following embodiment:
In some embodiments, this Novel rotary steering tool is made up of three parts: top hydraulic pressure Angle ambiguity assembly, Clutch Control assembly, deviating device assembly.Hydraulic pressure Angle ambiguity assembly comprises hollow mandrel, the reciprocating multi-angle of Yanzhong air-cored axis can knock ring clutch and always to be engaged with the axle of keyway by two band keys and form, deviating device assembly comprises a bigoted executing agency of row, rotation-controlled shell is formed, and slidably piston mechanism controls two positions by the size controlling flow, and fluid and bigoted executing agency are connected in a position, realize another position buffer fluid of directed drilling and enter bigoted Mechanism chamber, realize vertical drilling.
In some embodiments, the upper angle piston controlled in assembly can realize moving back and forth under the acting in conjunction of upper and lower two flow valves, thus realize the reciprocating motion that multi-angle knocks ring, multi-angle knocks the device that ring is a pyramidal structure, by realizing the controlled of angle with the co-controlling of deflection ring.When deflection ring mobile, deflection ring can promote inner sleeve and engage with outer sleeve, and realizing the flexible mandrel of deflection and jointly rotate with deflection shell, is this time non-guide drilling state; When hydraulic pressure diminishes, under being the effect of compression spring, realizing the flexible mandrel of deflection and be separated with deflection shell, is now steerable drilling state.
In some embodiments, slidably piston realizes moving back and forth under the acting in conjunction of hydraulic regulation and spring by locating slot that piston is arranged and shop bolt, realizes being biased actuating mechanism controls to biasing mechanism when the through hole on piston connects whether to connect with the through hole of bias flexible mandrel.
Deflection ring in some embodiments, inner sleeve, outer sleeve is provided with the structure of convex key and hugging with the flexible mandrel of deflection, thus realizes the transmission of the circumferential moment of torsion of this three device and axial slip.
In some embodiments, when piston moves back and forth in bias flexible mandrel, end is provided with an abutment sleeve.
The invention has the beneficial effects as follows: pass through by-pass valve control, realize the reciprocating motion to piston in angle controller, control drilling well angle, by the control of the reciprocating motion co-controlling drilling state of solenoidoperated cluthes and control piston, achieve the switching of drilling mode, two ore control improves the safety of drilling well, improves drilling efficiency simultaneously.
Accompanying drawing explanation
Fig. 1. be integral installation figure of the present invention;
Fig. 2. be clutch engagement sectional drawing;
Fig. 3. for expanded view arranged by piston locating slot;
Fig. 4. be the sectional drawing of positioning protective sleeve cylinder;
In figure: 1-Angle ambiguity assembly, 2-Clutch Control assembly, 3-bias unit assembly, 4-hollow mandrel, 5-piston rod, 6-compression spring 1, 7-upper piston, the upper flow control valve of 8-, 9-upper runner, 10-lower flow channel, 11-down-off control valve, 12-multi-angle knocks ring, 13-upper channel, the upper center flow channels of 14-, 15-deflection ring, 16-universal joint, 17-inner sleeve, 18-compression spring 2, 19-outer sleeve, 20-bias flexible mandrel, 21-abutment sleeve, 22-locating slot, 23-shop bolt 1, 24-bearing assembly, 25-shell, 26-lower piston, center flow channels under 27-, 28-compression spring 3, 29-compression spring 4, 30-offset piston, 31-shop bolt 2, 32-abutment sleeve, 33-through hole 1, 34-through hole 2, 35-locating slot position 1, 36-locating slot position 2, 37-locating slot position 3, 38-inner sleeve key, the bigoted flexible axle key of 39-, the bigoted flexible shaft keyway of 40-, 41-lower piston end 1, 42-lower piston end 2, 43-positioning protective sleeve cylinder.
Detailed description of the invention
The Novel rotary steering tool that a kind of angle is controlled, the upper angle that this instrument is provided with a band hydraulic control system controls assembly 1, with the Clutch Control assembly 2 of clutch function, bottom is provided with bigoted assembly of devices 3, the controlled Novel rotary steering tool of a kind of angle is characterized in that, upper angle controls assembly 3 by hollow mandrel 4, piston rod 5, spring 6, piston 7, upper flow control valve 8, down-off control valve 11, and the multi-angle can moved along hollow mandrel knocks ring 12, deflection ring 15, universal joint 16 forms, universal joint 16 is connection hinges of Angle ambiguity assembly and clutch assembly, deflection ring 15 is connected on bias flexible mandrel 20 by key connected mode, clutch assembly 2 is by inner sleeve 17, spring 18, outer sleeve 19, abutment sleeve 20 forms, inner sleeve is connected with deflection mandrel 20 by key connected mode, outer sleeve 19 is fixed on deflection shell 25 by screw thread or bolt mode, bigoted device is characterized in that, deflection shell 25 is provided with bigoted executing agency be made up of spring 29 and bigoted piston 30, bigoted flexible mandrel 20 is fixed on device inside by bearing assembly 24, bigoted flexible mandrel 20 internal openings, its inside is provided with the control structure of reciprocating bigoted mechanism, it comprises slidably lower piston 26, one group of shop bolt 23 is arranged on bias flexible mandrel 20, lower piston 26 is provided with one group of locating slot 22, spring 28 is located one by pin and is positioned on lower piston 26, one is positioned on abutment sleeve 32, piston 20 is provided with through hole 33, bias flexible mandrel 20 is provided with through hole 34, abutment sleeve 32 is bolted on bias flexible mandrel 20, it is arranged through and jointly forms through hole 34 with the through hole of bigoted flexible mandrel 20, device end is provided with positioning protective sleeve cylinder 43.
As shown in Figure 1, when drilling well is in vertical rotary drilling state, specific embodiments is as follows:
When drilling fluid enters central upper portion runner 11 by runner 13, the hydraulic valve 9,11 of upper angle controller 1 opens, upper valve is large, and lower valve is little, makes upper piston 7 move suitable distance along the direction of arrow A, at upper piston 7, multi-angle knocks ring 12, and under the effect of deflection ring 15, inner sleeve 17 moves along the direction of arrow A, until engage with outer sleeve 19, now biased shell 25 will with bias flexible mandrel 20 associated movement.
When drilling fluid is to lower piston 26 top; the a part of pressure of lower piston 26 can be applied to; now piston under pressure; compression pressure spring 28; move in direction along arrow A, when shop bolt 23 engages with the position 35 (as Fig. 3) of locating slot 22, and the upper end of lower piston 26 and positioning protective sleeve cylinder 43 close contact; lower piston 26 stops the motion in A direction, and protection sleeve 43 prevents alignment pin to lose efficacy because shearing force is excessive simultaneously.Now, through hole 33 and through hole 34 not structure, drilling fluid is directly flowed out by lower central runner 27.
Under duty as above, biased shell moves together with biased mandrel, and drilling well is in straight line drilling state.
When drilling well is in rotary steerable drilling state, specific embodiments is as follows:
Now, reduce the flow by upper flow passage 13 of drilling fluid, close and close valve 9, lower valve 11 is still in the state of opening, and the drilling fluid now going up valve 9 chamber is flowed out by the through hole on piston rod 5, and upper valve cavity chamber pressure reduces, mineralization pressure is poor, simultaneously under the effect of compression spring 6,18, upper piston 7, multi-angle knocks ring 12, deflection ring 15, inner sleeve 17 moves to maximum distance along the direction that arrow A is contrary, and therefore now, biased shell 25 is separated with bias flexible mandrel 20.
When the pressure that drilling fluid is applied to lower piston 26 top reduces, under the effect of compression spring 28, lower piston 26 moves along the direction contrary with arrow A, gets back to reset condition when position 36 with locating slot 22 of shop bolt 23; Now; increase drilling liquid pressure, lower piston upper pressure is increased, and lower piston moves along arrow A direction; when alignment pin 23 engages with the position 37 of locating slot 22; lower piston end 41 and positioning protective sleeve cylinder 43 near, through hole 33 and through hole 34 structure, drilling fluid enters the through hole of the offset piston 30 of biased actuating unit; extrusion piston 30; piston 30 extrudes the borehole wall, is oppositely applied to bias flexible mandrel 20 1 opposite forces, mandrel is deflected.
Now, open valve 9, adjust upper and lower valve pressure size, control multi-angle is knocked ring 12 and is moved, thus controls the contact angle that multi-angle knocks ring 12 and deflection ring 15, thus controls drilling well angle.
As shown in Figure 2, be clutch engagement A-A sectional drawing.
Inner sleeve 17 is provided with 6 protruding keys and 3 keyways caved in, deflects and flexible mandrel 20 is provided with 3 protruding keys, outer sleeve 19 is provided with 6 protruding keys and 6 keyways caved in; Three parts are connected to 38,38,40 places between two by key and keyway, achieve sliding axially and the transmission of circumferential moment of torsion of three devices.
As shown in Figure 3, be the layout expanded view of locating slot 22.
Due under straight line drilling state and non-rectilinear drilling state, the move distance of lower piston 26, rotary steering state is 2 times under linear state, when drilling liquid pressure changes be, lower piston 26 is along the orbital rotational motion of the such as locating slot 22 of Fig. 3, linear state locating slot 35 is followed closely with alignment pin 23 and is engaged, and guiding state locating slot 37 engages with shop bolt 23.
Simultaneously lower piston 26 bottom is provided with two breach ends 41,42, coordinates with the positioning protective sleeve cylinder 43 (as Fig. 4) containing breach, when straight line drilling well, port 41 and positioning protective sleeve cylinder 43 near; When rotary steering creeps into, port 42 and positioning protective sleeve cylinder 43 near.
Claims (4)
1. the Novel rotary steering tool that an angle is controlled, the upper angle that this instrument is provided with a band hydraulic control system controls assembly (1), with the Clutch Control assembly (2) of clutch function, bottom is provided with bigoted assembly of devices (3), the controlled Novel rotary steering tool of a kind of angle is characterized in that, upper angle controls assembly (3) by hollow mandrel (4), piston rod (5), spring (6), piston (7), upper flow control valve (8), down-off control valve (11), and the multi-angle can moved along hollow mandrel knocks ring (12), deflection ring (15), universal joint (16) forms, universal joint (16) is the connection hinge of Angle ambiguity assembly and clutch assembly, deflection ring (15) is connected on bias flexible mandrel (20) by key connected mode, clutch assembly (2) is by inner sleeve (17), spring (18), outer sleeve (19), abutment sleeve (20) forms, inner sleeve is connected with deflection mandrel (20) by key connected mode, outer sleeve (19) is fixed in deflection shell (25) by screw thread or bolt mode, bigoted device is characterized in that, deflection shell (25) is provided with bigoted executing agency be made up of spring (29) and bigoted piston (30), bigoted flexible mandrel (20) is fixed on device inside by bearing assembly (24), bigoted flexible mandrel (20) internal openings, its inside is provided with the control structure of reciprocating bigoted mechanism, it comprises slidably piston (26), one group of shop bolt (23) is arranged on bias flexible mandrel (20), piston (26) is provided with one group of locating slot (22), spring (28) is located one by pin and is positioned on piston (26), one is positioned on abutment sleeve (32), piston (20) is provided with through hole (33), bias flexible mandrel (20) is provided with through hole (34), abutment sleeve (32) is bolted on bias flexible mandrel (20), it is arranged through and jointly forms through hole (34) with the through hole of bigoted flexible mandrel (20), device end is provided with positioning protective sleeve cylinder (43).
2. the Novel rotary steering tool that a kind of angle according to claim 1 is controlled, it is characterized in that piston (7) can realize moving back and forth under the acting in conjunction of flow valve (8) (11), thus realize the reciprocating motion that multi-angle knocks ring (12), multi-angle is knocked ring (12) and is realized the controlled of angle with the co-controlling of deflection ring (15), by the movement of deflection ring (15), promote inner sleeve (17) to engage with outer sleeve (19), realize the flexible mandrel of deflection (20) jointly to rotate with deflection shell (25), when hydraulic pressure diminishes, due to the effect of compression spring (18), realize the flexible mandrel of deflection (20) to be separated with deflection shell (25).
3. the Novel rotary steering tool that a kind of angle according to claim 1 is controlled, it is characterized in that slidably piston (26) realizes moving back and forth with shop bolt by the locating slot (22) that piston is arranged under the acting in conjunction of hydraulic regulation with spring 28, whether realize by the connection of through hole (33) and through hole (34) control biasing mechanism being biased to executing agency (29).
4. the Novel rotary steering tool that a kind of angle according to claim 2 is controlled, it is characterized in that deflection ring (15), inner sleeve (17), outer sleeve (19) is provided with the structure of convex key and hugging with the flexible mandrel of deflection (20), thus realizes the transmission of the circumferential moment of torsion of this three device and axial slip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510711122.6A CN105275394B (en) | 2015-10-28 | 2015-10-28 | The controllable Novel rotary steering tool of angle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510711122.6A CN105275394B (en) | 2015-10-28 | 2015-10-28 | The controllable Novel rotary steering tool of angle |
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| CN105275394A true CN105275394A (en) | 2016-01-27 |
| CN105275394B CN105275394B (en) | 2017-05-31 |
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| CN201510711122.6A Expired - Fee Related CN105275394B (en) | 2015-10-28 | 2015-10-28 | The controllable Novel rotary steering tool of angle |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105863537A (en) * | 2016-05-12 | 2016-08-17 | 西南石油大学 | Coiled tubing drilling auxiliary tool |
| CN106285478A (en) * | 2016-09-26 | 2017-01-04 | 西南石油大学 | Pushing type full rotation steering tool |
| CN107701107A (en) * | 2017-10-31 | 2018-02-16 | 中国科学院地质与地球物理研究所 | The high build angle rate rotary steerable tool of backup radial type and control method in a kind of static state |
| CN108457595A (en) * | 2018-04-28 | 2018-08-28 | 四川省贝特石油技术有限公司 | Intelligent steering drilling dynamics tool |
| CN108952572A (en) * | 2018-08-24 | 2018-12-07 | 广州海洋地质调查局 | A kind of adjustable guide drilling tool in continuous pipe drilling well underground |
| CN110410008A (en) * | 2019-07-22 | 2019-11-05 | 西南石油大学 | A kind of static state directional type hydraulic rotating steering tool |
| CN110485923A (en) * | 2019-09-06 | 2019-11-22 | 中国石油集团长城钻探工程有限公司 | A kind of half way rotation borehole trace control tool |
| CN112049570A (en) * | 2019-06-06 | 2020-12-08 | 万晓跃 | Rotary steering composite drilling device and drilling method thereof |
| WO2021174732A1 (en) * | 2020-03-05 | 2021-09-10 | 中国科学院地质与地球物理研究所 | Actuating mechanism for rotary guide device and rotary guide device using same |
| WO2022228397A1 (en) * | 2021-04-25 | 2022-11-03 | 徐梓辰 | Rotary steerable drilling tool |
| WO2022228393A1 (en) * | 2021-04-25 | 2022-11-03 | 万晓跃 | Flexible rotary drilling guide device |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105863537A (en) * | 2016-05-12 | 2016-08-17 | 西南石油大学 | Coiled tubing drilling auxiliary tool |
| CN106285478A (en) * | 2016-09-26 | 2017-01-04 | 西南石油大学 | Pushing type full rotation steering tool |
| CN106285478B (en) * | 2016-09-26 | 2018-05-08 | 西南石油大学 | Pushing type full rotation steering tool |
| CN107701107A (en) * | 2017-10-31 | 2018-02-16 | 中国科学院地质与地球物理研究所 | The high build angle rate rotary steerable tool of backup radial type and control method in a kind of static state |
| CN108457595A (en) * | 2018-04-28 | 2018-08-28 | 四川省贝特石油技术有限公司 | Intelligent steering drilling dynamics tool |
| CN108457595B (en) * | 2018-04-28 | 2023-12-08 | 四川省贝特石油技术有限公司 | Intelligent steering drilling power tool |
| CN108952572A (en) * | 2018-08-24 | 2018-12-07 | 广州海洋地质调查局 | A kind of adjustable guide drilling tool in continuous pipe drilling well underground |
| CN112049570A (en) * | 2019-06-06 | 2020-12-08 | 万晓跃 | Rotary steering composite drilling device and drilling method thereof |
| CN110410008A (en) * | 2019-07-22 | 2019-11-05 | 西南石油大学 | A kind of static state directional type hydraulic rotating steering tool |
| CN110485923B (en) * | 2019-09-06 | 2021-06-01 | 中国石油天然气集团有限公司 | Half-rotation well track control tool |
| CN110485923A (en) * | 2019-09-06 | 2019-11-22 | 中国石油集团长城钻探工程有限公司 | A kind of half way rotation borehole trace control tool |
| WO2021174732A1 (en) * | 2020-03-05 | 2021-09-10 | 中国科学院地质与地球物理研究所 | Actuating mechanism for rotary guide device and rotary guide device using same |
| WO2022228397A1 (en) * | 2021-04-25 | 2022-11-03 | 徐梓辰 | Rotary steerable drilling tool |
| WO2022228393A1 (en) * | 2021-04-25 | 2022-11-03 | 万晓跃 | Flexible rotary drilling guide device |
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