CN204851055U - Anti - turbodrill that circulates - Google Patents
Anti - turbodrill that circulates Download PDFInfo
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- CN204851055U CN204851055U CN201520402451.8U CN201520402451U CN204851055U CN 204851055 U CN204851055 U CN 204851055U CN 201520402451 U CN201520402451 U CN 201520402451U CN 204851055 U CN204851055 U CN 204851055U
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- mandrel
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Abstract
The utility model discloses an anti - turbodrill that circulates, include: reversing mechanism, turbine mechanism, drill bit are just recoiling, it sets up the baffle just to recoil the center of reversing mechanism's center tube, the upper end of the left cavity of center tube and the lower tip of right cavity all set up the closure plate, the both ends of center tube are overlapped respectively and are established tubing coupling, the downside lateral wall of left side cavity, the upside lateral wall of right cavity are provided with side wall duct, and two side wall duct communicate with each other rather than the spacing through -hole of rightting the cover that the outside cover was established respectively, center tube mid portion's pipe wall cover is established and is proclaimed oneself the leather cup, two male joint settings of turbine mechanism are in the upper end of casing and be connected with tubing coupling, the dabber setting is and extend to outside the casing in the casing, dabber from the top down overlaps in proper order and establishes stator, rotor, lower stator, the outer end and the drill bit of dabber are connected. The utility model discloses can realize operations such as sand washing, milling in horizontal well safety high -efficiently.
Description
Technical field
The utility model belongs to drilling tool technical field, is 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.
Utility model content
In view of this, main purpose of the present utility model is to provide a kind of reacting cycle turbodrill.
For achieving the above object, the technical solution of the utility model is achieved in that
The utility model embodiment 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, the beneficial effects of the utility model:
(1), the utility model 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 utility model 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 utility model 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 utility model embodiment.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the utility model is described in detail.
The utility model embodiment 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 utility model 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, described rotor 204 is spacing with keyway by mandrel 206() drill bit 3 that rotation torque passed to bottom 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 utility model, is not intended to limit protection domain of the present utility model.
Claims (4)
1. a reacting cycle turbodrill, 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, is characterized in that: 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520402451.8U CN204851055U (en) | 2015-06-12 | 2015-06-12 | Anti - turbodrill that circulates |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520402451.8U CN204851055U (en) | 2015-06-12 | 2015-06-12 | Anti - turbodrill that circulates |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204851055U true CN204851055U (en) | 2015-12-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520402451.8U Active CN204851055U (en) | 2015-06-12 | 2015-06-12 | Anti - turbodrill that circulates |
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| Country | Link |
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| CN (1) | CN204851055U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104989269A (en) * | 2015-06-12 | 2015-10-21 | 西安中孚凯宏石油科技有限责任公司 | Reverse-circulation turbine drill |
| CN106894764A (en) * | 2015-12-18 | 2017-06-27 | 中国石油化工股份有限公司 | A kind of drill bit |
-
2015
- 2015-06-12 CN CN201520402451.8U patent/CN204851055U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104989269A (en) * | 2015-06-12 | 2015-10-21 | 西安中孚凯宏石油科技有限责任公司 | Reverse-circulation turbine drill |
| CN106894764A (en) * | 2015-12-18 | 2017-06-27 | 中国石油化工股份有限公司 | A kind of drill bit |
| CN106894764B (en) * | 2015-12-18 | 2019-01-01 | 中国石油化工股份有限公司 | A kind of drill bit |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |