CN104989269A - Reverse-circulation turbine drill - Google Patents
Reverse-circulation turbine drill Download PDFInfo
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- CN104989269A CN104989269A CN201510324000.1A CN201510324000A CN104989269A CN 104989269 A CN104989269 A CN 104989269A CN 201510324000 A CN201510324000 A CN 201510324000A CN 104989269 A CN104989269 A CN 104989269A
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- central tube
- housing
- mandrel
- stator
- self
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Abstract
The invention discloses a reverse-circulation turbine drill which comprises a positive and reverse flushing reversing mechanism, a turbine mechanism and a drill bit. A partition plate is arranged in the center of a center pipe of the positive and reverse flushing reversing mechanism. Blocking plates are arranged at the upper end of a left cavity of the center pipe and the lower end of a right cavity of the center pipe respectively. Tubing couplings are arranged at the two ends of the center pipe in a sleeving mode respectively. Side wall through holes are formed in the lower side wall of the left cavity and the upper side wall of the right cavity respectively, the two side wall through holes are communicated with through holes of limiting and centralizing sleeves arranged on the outer sides of the two side wall through holes in a sleeeving mode respectively, and the pipe wall in the middle of the center pipe is sleeved with a self-sealing leather bowl. Double male connectors of the turbine mechanism are arranged at the upper end of the shell and are connected with the tubing couplings. A central spindle is arranged in the shell and extends out of the shell, the central spindle is sleeved with an upper stator, a rotor and a lower stator in sequence from top to bottom, and the outer end of the central spindle is connected with the drill bit. The reverse-rotation turbine drill can achieve work such as sand washing, grinding and milling in a horizontal well safely and efficiently.
Description
Technical field
The invention belongs to drilling tool technical field, be specifically related to a kind of reacting cycle turbodrill.
Background technology
In petroleum horizontal well exploitation manufacturing process, because payzone sleeve pipe is the existence that is the level of state, very easily cause formation sands accumulated plugging output passage, cause reduce or stop production.When needing to carry out to horizontal segment the sand bridge salt bridge that sand washing operation needs milling to harden, or need the bridging plug of milling horizontal segment, during junk, existing drilling tool all can only take positive recurrent state to carry out milling, direct flushing oil pipe inner chamber circulation area is far smaller than the circulation area of oil jacket annular space, therefore returning fluid's body returns on oil jacket annular space can slow down, by the gravel that hydraulic fluid carries, chip upward velocity flow rate of liquid reduce and Action of Gravity Field double action under, easily there is gravel at horizontal segment, chip and hydraulic fluid are separated the situation of progressively depositing up and down, sand washing can be caused not thoroughly or operating tool string bit freezing even landfill, serious meeting causes the stopping production of horizontal well, scrap.
Summary of the invention
In view of this, main purpose of the present invention is to provide a kind of reacting cycle turbodrill.
For achieving the above object, technical scheme of the present invention is achieved in that
The embodiment of the present invention provides a kind of reacting cycle turbodrill, and this drilling tool comprises: the changement that just recoiling, turbine mechanism, drill bit, and the described changement that just recoiling, turbine mechanism, drill bit connect successively, the described changement that just recoiling comprises central tube, for central tube being divided into the dividing plate of two cavitys in left and right, self-styled leather cup, spacing supporting positive cover, tubing coupling, the center of described central tube arranges dividing plate, the upper end of the left cavity of described central tube and the bottom of right cavity all arrange closure plate, the two ends sheathed tubing coupling respectively of described central tube, the downside sidewall of described left cavity is provided with lateral through aperture, the upside sidewall of described right cavity is provided with lateral through aperture, two lateral through aperture communicate with the through hole of its outside sheathed spacing supporting positive cover respectively, the sheathed self-styled leather cup of tube wall of described central tube mid portion, described turbine mechanism comprises housing, two male joint, upper stator, rotor, lower stator, mandrel, described pair of male joint is arranged on the upper end of housing and is connected with the tubing coupling of the changement that just recoils, described mandrel to be arranged in housing and to extend to outside housing, described mandrel sheathed upper stator, rotor, lower stator successively from top to bottom, the outer end of described mandrel is connected with drill bit.
In such scheme, two ends up and down and the spacing supporting positive cover of the self-styled gum cover inside described self-styled leather cup are close to.
In such scheme, the described bottom of right cavity is communicated with the housing of turbine mechanism, and the upper end of described left cavity is communicated with top oil pipe.
In such scheme, described inner walls is connected respectively by keyway with upper stator, lower stator, and described rotor is connected with mandrel by keyway.
Compared with prior art, beneficial effect of the present invention:
(1), the present invention takes reverse circulation washing, and relieving conventional turbodrill (or screw drill) direct circulation can only rinse and could normally creep into operation restricted problem.
(2), the present invention adopts reverse circulation washing to creep into, make use of the feature that recoil carrying capacity is strong, by sand washing or the gravel of generation, chip hyper tape can be crept into from pit shaft, greatly improve hydraulic fluid and carry efficiency, reduce the risk that operating tool string is buried by jam sand.
(3), utilize the present invention to carry out horizontal well sand washing or milling, just can realize continuous flushing by special wellhead assembly, not be used in connect tubing string single time termination of pumping, therefore rinse and carry efficiency and be protected.
Accompanying drawing explanation
Fig. 1 provides a kind of structural representation of reacting cycle turbodrill for the embodiment of the present invention.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail.
The embodiment of the present invention provides a kind of reacting cycle turbodrill, and as shown in Figure 1, this drilling tool comprises: the changement 1 that just recoiling, turbine mechanism 2, drill bit 3, and the described changement 1 that just recoiling, turbine mechanism 2, drill bit 3 connect successively.
The described changement 1 that just recoiling comprises central tube 101, for central tube 101 being divided into the dividing plate 102 of two cavitys in left and right, self-styled leather cup 108, spacing supporting positive cover 105, tubing coupling 107, the center of described central tube 101 arranges dividing plate 102, the upper end of the left cavity of described central tube 101 and the bottom of right cavity all arrange closure plate 103, the two ends sheathed tubing coupling 107 respectively of described central tube 101, the downside sidewall of described left cavity is provided with lateral through aperture 104, the upside sidewall of described right cavity is provided with lateral through aperture 104, two lateral through aperture 104 communicate with the through hole 106 of its outside sheathed spacing supporting positive cover 105 respectively, the sheathed self-styled leather cup 108 of tube wall of described central tube 101 mid portion,
The inner chamber of described central tube 101 is isolated into not connected left cavity and right cavity by dividing plate 102, and the lower end of left cavity and the upper end of right cavity are all shut with closure plate 103, and the lower sides of left cavity and the upper portion side wall of right cavity are provided with lateral through aperture 104 simultaneously.
Two ends up and down and the spacing supporting positive cover 105 of the self-styled gum cover inside described self-styled leather cup 108 are close to, and its inner via hole and central tube 101 outer wall are close to, and its outer rim is operationally close to internal surface of sleeve pipe, and described self-styled leather cup 108 is sleeved in the middle part of central tube 101 outer wall.
The bottom of described right cavity is communicated with the housing 201 of turbine mechanism 2, and the upper end of described left cavity is communicated with top oil pipe.
Described turbine mechanism 2 comprises housing 201, two male joint 202, upper stator 203, rotor 204, lower stator 205, mandrel 206, described pair of male joint 202 is arranged on the upper end of housing 201 and is connected with the tubing coupling 107 of the changement 1 that just recoils, described mandrel 206 to be arranged in housing 201 and to extend to outside housing 201, described mandrel 206 sheathed upper stator 203, rotor 204, lower stator 205 successively from top to bottom, the outer end of described mandrel 206 adopts screw thread form to be connected with drill bit 3.
Described housing 201 inwall is connected respectively by keyway with upper stator 203, lower stator 205, and described rotor 204 is connected with mandrel 206 by keyway.
Described drill bit 3 adopts the various standard drill bits be connected with screw thread form with mandrel 206, as three-winged bit, junk mill, milling shoe etc.
Hydraulic fluid of the present invention drives boring principle:
Hydraulic fluid enters the flowing of rear shaft bottom from the oil jacket annular space of well head, first the changement 1 that just recoiling can be touched, after the blocking-up flow channels of the self-styled leather cup 108 on changement 1 that just recoils, the lateral through aperture 104 that working solution is known from experience from the spacing supporting positive cover 105 of upside and on the right cavity wall of central tube 101 flows into right cavity, because the upper end of right cavity is shut by closure plate 103, hydraulic fluid flows downward, enter in the housing 201 of turbine mechanism 2, drive rotor 204 rotates, the drill bit 3 that rotation torque to be passed to bottom by mandrel 206 (spacing with keyway) by described rotor 204 rotates, described drill bit 3 will to the casting bed that hardens, bridging plugs etc. carry out brill mill,
Hydraulic fluid upwards returns out in sleeve pipe, arrive self-styled leather cup 8 place just recoiled on changement 1, circulation passage is blocked by self-styled leather cup 8, hydraulic fluid flows into left cavity along the lateral through aperture 104 on the spacing supporting positive cover 105 of downside and the left cavity wall of central tube 101, the lower end of described left cavity is shut by closure plate 103, hydraulic fluid can only upwards flow, and enters the inner chamber of top oil pipe, to backflow out well head along oil pipe inner chamber always.
The above, be only preferred embodiment of the present invention, be not intended to limit protection scope of the present invention.
Claims (4)
1. a reacting cycle turbodrill, it is characterized in that, this drilling tool comprises: the changement that just recoiling (1), turbine mechanism (2), drill bit (3), and the described changement (1) that just recoiling, turbine mechanism (2), drill bit (3) connect successively, the described changement (1) that just recoiling comprises central tube (101), for central tube (101) being divided into the dividing plate (102) of two cavitys in left and right, self-styled leather cup (108), spacing supporting positive cover (105), tubing coupling (107), the center of described central tube (101) arranges dividing plate (102), the upper end of the left cavity of described central tube (101) and the bottom of right cavity all arrange closure plate (103), the two ends sheathed tubing coupling (107) respectively of described central tube (101), the downside sidewall of described left cavity is provided with lateral through aperture (104), the upside sidewall of described right cavity is provided with lateral through aperture (104), two lateral through aperture (104) communicate with the through hole (106) of its outside sheathed spacing supporting positive cover (105) respectively, the sheathed self-styled leather cup (108) of tube wall of described central tube (101) mid portion, described turbine mechanism (2) comprises housing (201), two male joint (202), upper stator (203), rotor (204), lower stator (205), mandrel (206), described pair of male joint (202) is arranged on the upper end of housing (201) and is connected with the tubing coupling (107) of the changement that just recoils (1), described mandrel (206) to be arranged in housing (201) and to extend to housing (201) outward, described mandrel (206) sheathed upper stator (203) successively from top to bottom, rotor (204), lower stator (205), the outer end of described mandrel (206) is connected with drill bit (3).
2. reacting cycle turbodrill according to claim 1, is characterized in that: two ends up and down and the spacing supporting positive cover (105) of the self-styled gum cover of described self-styled leather cup (108) inner side are close to.
3. reacting cycle turbodrill according to claim 1 and 2, is characterized in that: the bottom of described right cavity is communicated with the housing (201) of turbine mechanism (2), and the upper end of described left cavity is communicated with top oil pipe.
4. reacting cycle turbodrill according to claim 3, it is characterized in that: described housing (201) inwall is connected respectively by keyway with upper stator (203), lower stator (205), described rotor (204) is connected with mandrel (206) by keyway.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510324000.1A CN104989269A (en) | 2015-06-12 | 2015-06-12 | Reverse-circulation turbine drill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510324000.1A CN104989269A (en) | 2015-06-12 | 2015-06-12 | Reverse-circulation turbine drill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104989269A true CN104989269A (en) | 2015-10-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510324000.1A Pending CN104989269A (en) | 2015-06-12 | 2015-06-12 | Reverse-circulation turbine drill |
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| Country | Link |
|---|---|
| CN (1) | CN104989269A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112664153A (en) * | 2019-10-16 | 2021-04-16 | 中国石油化工股份有限公司 | Ball-free type sand setting backwashing device and method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4049066A (en) * | 1976-04-19 | 1977-09-20 | Richey Vernon T | Apparatus for reducing annular back pressure near the drill bit |
| CN103256007A (en) * | 2013-05-24 | 2013-08-21 | 中国石油大学(北京) | Underground dynamic pressurizing drilling rig |
| CN203452969U (en) * | 2013-08-29 | 2014-02-26 | 成都科盛石油科技有限公司 | High-efficiency turbodrill |
| CN104074485A (en) * | 2014-06-27 | 2014-10-01 | 西安中孚凯宏石油科技有限责任公司 | Horizontal well leakage-proof rotational flow sand-washing device and sand-washing technology thereof |
| CN204851055U (en) * | 2015-06-12 | 2015-12-09 | 西安中孚凯宏石油科技有限责任公司 | Anti - turbodrill that circulates |
-
2015
- 2015-06-12 CN CN201510324000.1A patent/CN104989269A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4049066A (en) * | 1976-04-19 | 1977-09-20 | Richey Vernon T | Apparatus for reducing annular back pressure near the drill bit |
| CN103256007A (en) * | 2013-05-24 | 2013-08-21 | 中国石油大学(北京) | Underground dynamic pressurizing drilling rig |
| CN203452969U (en) * | 2013-08-29 | 2014-02-26 | 成都科盛石油科技有限公司 | High-efficiency turbodrill |
| CN104074485A (en) * | 2014-06-27 | 2014-10-01 | 西安中孚凯宏石油科技有限责任公司 | Horizontal well leakage-proof rotational flow sand-washing device and sand-washing technology thereof |
| CN204851055U (en) * | 2015-06-12 | 2015-12-09 | 西安中孚凯宏石油科技有限责任公司 | Anti - turbodrill that circulates |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112664153A (en) * | 2019-10-16 | 2021-04-16 | 中国石油化工股份有限公司 | Ball-free type sand setting backwashing device and method |
| CN112664153B (en) * | 2019-10-16 | 2022-12-13 | 中国石油化工股份有限公司 | Ball-free type sand setting backwashing device and method |
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Application publication date: 20151021 |