CN105201423A - Hydraulic type continuous pressurizing bit-feeding tool - Google Patents
Hydraulic type continuous pressurizing bit-feeding tool Download PDFInfo
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- CN105201423A CN105201423A CN201510574450.6A CN201510574450A CN105201423A CN 105201423 A CN105201423 A CN 105201423A CN 201510574450 A CN201510574450 A CN 201510574450A CN 105201423 A CN105201423 A CN 105201423A
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Abstract
The invention relates to a hydraulic type continuous pressurizing bit-feeding tool for horizontal well drilling in the petroleum and natural gas industry and solves problems of difficulty in feeding of drill columns of horizontal wells and pressure relief of bits. The technical scheme is as follows: an end cover and a throttling column are connected through a screw, and pins are mounted between the end cover and the throttling column; the upper end of a rotating body is in threaded connection with the throttling column; a thrust bearing is mounted on the lower end surface of the rotating body, the upper end of a bearing block is inserted in a blind hole in the lower end of the rotating body, and an external circle step of the bearing block is mounted on the thrust bearing; two bulge blocks of a flow distribution barrel are mounted in grooves of the throttling column and can slide along the grooves of the throttling column; the upper end of the flow distribution barrel and the lower end of an upper barrel body are in threaded connection, and the lower end of the flow distribution barrel and the upper end of a casing are in threaded connection; the upper end of a transmission casing and the lower end of the casing are in threaded connection, and the lower end of the transmission casing and an anti-falling casing are in threaded connection. According to the tool, a transmission shaft is pushed by energy of a drilling fluid to move axially, bit pressure is provided for a drill column and a bit at the lower part, and the drill column is pushed to be fed.
Description
Technical field
The hydraulic type continuous pressure that the present invention relates to a kind of oil and gas industry horizontal well drilling send drill tools.
Background technology
In recent years, horizontal well is extensive all the more in the application of oil and gas industry.Horizontal well, for straight well, can significantly improve oil and gas production, saves drilling cost, and also less to the destruction of environment, has good economic benefit and social benefit; But the technical difficulty of horizontal well development is also developed apparently higher than straight well.The domestic technology for horizontal well development can not show a candle to external maturation, and a lot of instrument and instrument all also depend on and abroad provide.
The core of horizontal well development is to extend horizontal section length as far as possible, but the frictional resistance of horizontal section wellbore and drill string is large, the longer frictional resistance of horizontal segment is larger, causes horizontal segment drill string to send difficulty to, the pressure of the drill cannot be applied to front end drill string and drill bit, significantly limit the exploitation of horizontal well.The frictional resistance how overcoming net horizontal section is the emphasis of research both at home and abroad always, comparatively effective instrument has the hydroscillator utilizing hydraulic vibration and the antifriction pipe nipple installing wheel at present, the foothold of above-mentioned tool design is the frictional resistance reducing well and drill string, extends horizontal section length as far as possible.Based on above-mentioned technical background, spy of the present invention provides a kind of hydraulic type continuous pressure to send drill tools.
Summary of the invention
The object of the invention is: send difficulty to and drill bit takes off the problem of pressure to solve drillstring in horizontal section, spy provides a kind of hydraulic type continuous pressure to send drill tools.
In order to achieve the above object, the present invention is by the following technical solutions: a kind of hydraulic type continuous pressure send drill tools, is to be made up of upper shell, end cap, pin, screw, throttling pillar, flow cylinder, rotary body, shell body, thrust bearing, adapter sleeve, bearing support, stop pin, drive housing, power transmission shaft and anti-lost housing; Its architectural feature is: throttling pillar cylindrical is provided with groove as drilling fluid runner, throttling pillar axially arranges four grooves, article four, groove circumferencial direction is uniformly distributed, wherein the groove upper and lower end of two 180 ° distributions is all set to opening, the groove upper end open of two other 180 ° distribution, lower end closed; Two upper end open on throttling pillar, the groove upper end of lower end closed is communicated with the right adjacent grooves, and lower end is communicated with left side adjacent grooves; End cap edge circumference 180 ° arranges two grooves, and end cap recess width is less than the recess width that throttling pillar four is axially arranged; End cap is connected with throttling pillar screw, is provided with pin between end cap and throttling pillar, and two, end cap edge groove and throttling pillar two upper and lower ends are all set to the groove alignment of opening; Rotary body upper end and throttling pillar screwed connection; Be set to helical blade in the middle part of rotary body, rotation direction is dextrorotation, and rotary body lower end arranges a counterbore, and bottom circumference evenly arranges eight through holes and is communicated with rotary body exocoel and counterbore, and rotary body lower end cylindrical is set to screw thread; Thrust bearing one end is arranged on rotary body lower surface, and the other end is arranged on bearing support cylindrical step, and rotary body lower end counterbore is inserted in bearing support upper end; Adapter sleeve lower end endoporus is provided with raised step, and adapter sleeve lower end raised step entangles bearing support cylindrical step, adapter sleeve upper end and the screwed connection of rotary body lower end; Power transmission shaft upper end and the screwed connection of bearing support lower end; Be provided with the protruding block of two 180 ° distributions in the middle part of flow tube inner chamber, two protruding blocks of flow cylinder are arranged in throttling pillar groove, and the protruding block of flow cylinder can slide along throttling pillar groove; Flow cylinder upper end and the screwed connection of upper shell lower end, flow cylinder lower end and the screwed connection of shell body upper end; Drive housing upper end and the screwed connection of shell body lower end, drive housing lower end and anti-lost housing screwed connection; Drive housing inner chamber circumference evenly arranges eight semi-circular recesses, groove is communicated with drive housing upper and lower end, in the middle part of power transmission shaft cylindrical, circumference evenly arranges eight semi-circular recesses, groove closed at both ends, eight stop pins are arranged in the chamber of drive housing eight semi-circular recesses and power transmission shaft eight semi-circular recesses formation respectively; Upper shell upper end and upper drilling string screwed connection, power transmission shaft lower end and lower drilling string screwed connection.
The invention has the beneficial effects as follows: (1) the present invention utilizes drilling fluid to drive, simple and reliable for structure; (2) the present invention utilizes the energy of drilling fluid promotion power transmission shaft to move axially, and for lower drilling string and drill bit provide the pressure of the drill, promotes drill string and sends to; (3) the present invention can realize continuous lift and the backhaul of power transmission shaft automatically, after mud flow rate is set up, can realize sending to continuously of drill string without the need to frequently changing; (4) the present invention can reduce the vibrations of drill string in axis.
Accompanying drawing explanation
Fig. 1 is the structural representation that a kind of hydraulic type continuous pressure of the present invention send drill tools power transmission shaft retracted state;
Fig. 2 is that a kind of hydraulic type continuous pressure of the present invention send drill tools power transmission shaft to stretch out the structural representation of state;
Fig. 3 is the three-dimensional structure schematic diagram of end cap, throttling pillar and rotary body;
Fig. 4 is the expanded view of end cap and throttling pillar cylindrical;
Fig. 5 is the sectional view in Fig. 2 A-A cross section;
Fig. 6 is the sectional view in Fig. 2 B-B cross section;
In figure: 1. upper shell, 2. end cap, 3. pin, 4. screw, 5. throttling pillar, 6. flow cylinder, 7. rotary body, 8. shell body, 9. thrust bearing, 10. adapter sleeve, 11. bearing supports, 12. stop pins, 13. drive housing, 14. power transmission shafts, 15. anti-lost housings.
Detailed description of the invention
As depicted in figs. 1 and 2, a kind of hydraulic type continuous pressure of the present invention send drill tools, is be made up of upper shell 1, end cap 2, pin 3, screw 4, throttling pillar 5, flow cylinder 6, rotary body 7, shell body 8, thrust bearing 9, adapter sleeve 10, bearing support 11, stop pin 12, drive housing 13, power transmission shaft 14 and anti-lost housing 15; Its architectural feature is: end cap 2 is connected with throttling pillar 5 screw 4, is provided with pin 3 between end cap 2 and throttling pillar 5, and two, end cap 2 edge groove and throttling pillar 5 two upper and lower ends are all set to the groove alignment of opening; Rotary body 7 upper end and throttling pillar 5 screwed connection; As shown in Figure 3, be set to helical blade in the middle part of rotary body 7, rotation direction is dextrorotation, and rotary body 7 lower end arranges a counterbore, and bottom circumference evenly arranges eight through holes and is communicated with rotary body 7 exocoel and counterbore, and rotary body 7 lower end cylindrical is set to screw thread; Thrust bearing 9 one end is arranged on rotary body 7 lower surface, and the other end is arranged on bearing support 11 cylindrical step, and rotary body 7 lower end counterbore is inserted in bearing support 11 upper end; Adapter sleeve 10 lower end endoporus is provided with raised step, and adapter sleeve 10 lower end raised step entangles bearing support 11 cylindrical step, adapter sleeve 10 upper end and rotary body 7 lower end screwed connection; Power transmission shaft 14 upper end and bearing support 11 lower end screwed connection; As shown in Figure 5, be provided with the protruding block of two 180 ° distributions in the middle part of flow cylinder 6 inner chamber, two protruding blocks of flow cylinder 6 are arranged in throttling pillar 5 groove, and the protruding block of flow cylinder 6 can slide along throttling pillar 5 groove; Flow cylinder 6 upper end and upper shell 1 lower end screwed connection, flow cylinder 6 lower end and shell body 8 upper end screwed connection; Drive housing 13 upper end and shell body 8 lower end screwed connection, drive housing 13 lower end and anti-lost housing 15 screwed connection; As shown in Figure 6, drive housing 13 inner chamber circumference evenly arranges eight semi-circular recesses, groove is communicated with drive housing 13 upper and lower end, in the middle part of power transmission shaft 14 cylindrical, circumference evenly arranges eight semi-circular recesses, groove closed at both ends, eight stop pins 12 are arranged in the chamber of drive housing 13 8 semi-circular recesses and power transmission shaft 14 8 semi-circular recesses formation respectively; Upper shell 1 upper end and upper drilling string screwed connection, power transmission shaft 14 lower end and lower drilling string screwed connection.
As shown in Figure 3 and Figure 4, throttling pillar 5 cylindrical is provided with groove as drilling fluid runner, throttling pillar 5 axially arranges four grooves, article four, groove circumferencial direction is uniformly distributed, wherein the groove upper and lower end of two 180 ° distributions is all set to opening, the groove upper end open of two other 180 ° distribution, lower end closed; Two upper end open on throttling pillar 5, the groove upper end of lower end closed is communicated with the right adjacent grooves, and lower end is communicated with left side adjacent grooves; End cap 2 edge circumference 180 ° arranges two grooves, and end cap 2 recess width is less than the recess width that throttling pillar 5 four is axially arranged.
A kind of hydraulic type continuous pressure of the present invention send the operating principle of drill tools to be: under enter the present invention to net horizontal section, as shown in Figure 1, two protruding blocks of flow cylinder 6 inner chamber are positioned at the groove bottom that throttling pillar 5 two upper and lower ends are all set to opening to initial position; Turn on pump circulating fluid, drilling fluid is through throttling pillar 5 upper end open, " Z " font runner that the groove of lower end closed and upper and lower end cross connection groove are formed flows through rotary body 7 and enters power transmission shaft 14 inner chamber, now produce larger choke pressure drop, throttling pillar 5, rotary body 7 and power transmission shaft 14 by drilling fluid impeller-hub to moving down; When two protruding blocks of flow cylinder 6 inner chamber arrive throttling pillar 5 upper end cross connection groove location, rotary body 7 and throttling pillar 5 produce rotation under the helical blade effect of rotary body 7, and two protruding blocks of flow cylinder 6 inner chamber enter in the groove of throttling pillar 5 upper end open, lower end closed through throttling pillar 5 upper end cross connection groove; The groove that now drilling fluid is all set to opening from throttling pillar 5 two upper and lower ends flows through, and the choke pressure drop of generation is little, and upper drilling string is down sent to, and throttling pillar 5, rotary body 7 and power transmission shaft 14 entirety are axially moved relative to upper drilling string; When two protruding blocks of flow cylinder 6 inner chamber arrive throttling pillar 5 lower end cross connection groove location, rotary body 7 and throttling pillar 5 produce rotation under the helical blade effect of rotary body 7, and at this moment the present invention gets back to initial position, has once moved back and forth.
Claims (3)
1. a kind of hydraulic type continuous pressure of the present invention send drill tools, is be made up of upper shell (1), end cap (2), pin (3), screw (4), throttling pillar (5), flow cylinder (6), rotary body (7), shell body (8), thrust bearing (9), adapter sleeve (10), bearing support (11), stop pin (12), drive housing (13), power transmission shaft (14) and anti-lost housing (15); It is characterized in that: end cap (2) is connected with throttling pillar (5) screw (4), be provided with pin (3) between end cap (2) and throttling pillar (5), two, end cap (2) edge groove and throttling pillar (5) two upper and lower ends are all set to the groove alignment of opening; Rotary body (7) upper end and throttling pillar (5) screwed connection; Thrust bearing (9) one end is arranged on rotary body (7) lower surface, and the other end is arranged on bearing support cylindrical step, and rotary body (7) lower end counterbore is inserted in bearing support (11) upper end; Adapter sleeve (10) lower end endoporus is provided with raised step, adapter sleeve (10) lower end raised step entangles bearing support (11) cylindrical step, adapter sleeve (10) upper end and rotary body (7) lower end screwed connection; Power transmission shaft (14) upper end and bearing support (11) lower end screwed connection; The protruding block of two 180 ° distributions is provided with in the middle part of flow cylinder (6) inner chamber, two protruding blocks of flow cylinder (6) are arranged in throttling pillar (5) groove, and the protruding block of flow cylinder (6) can slide along throttling pillar (5) groove; Flow cylinder (6) upper end and upper shell (1) lower end screwed connection, flow cylinder (6) lower end and shell body (8) upper end screwed connection; Drive housing (13) upper end and shell body (8) lower end screwed connection, drive housing (13) lower end and anti-lost housing (15) screwed connection; Drive housing (13) inner chamber circumference evenly arranges eight semi-circular recesses, and eight semi-circular recesses are communicated with drive housing (13) upper and lower end; In the middle part of power transmission shaft (14) cylindrical, circumference evenly arranges eight semi-circular recesses, eight semi-circular recesses closed at both ends, eight stop pins (12) are arranged in the chamber of drive housing (13) eight semi-circular recesses and power transmission shaft (14) eight semi-circular recesses formation respectively; Upper shell (1) upper end and upper drilling string screwed connection, power transmission shaft (14) lower end and lower drilling string screwed connection.
2. hydraulic type continuous pressure according to claim 1 send drill tools, it is characterized in that: described throttling pillar (5) cylindrical is provided with groove as drilling fluid runner, throttling pillar (5) axially arranges four grooves, article four, groove circumferencial direction is uniformly distributed, wherein the groove upper and lower end of two 180 ° distributions is all set to opening, the groove upper end open of two other 180 ° distribution, lower end closed; Throttling pillar (5) two upper end open, the groove upper end of lower end closed is communicated with the right adjacent grooves; Throttling pillar (5) two upper end open, the groove lower end of lower end closed is communicated with left side adjacent grooves; End cap (2) edge circumference 180 ° arranges two grooves, and end cap (2) recess width is less than the recess width that throttling pillar (5) four is axially arranged.
3. hydraulic type continuous pressure according to claim 1 send drill tools, it is characterized in that: described rotary body (7) middle part is set to helical blade, rotation direction is dextrorotation, rotary body (7) lower end arranges a counterbore, bottom circumference evenly arranges eight through holes and is communicated with rotary body (7) exocoel and counterbore, and rotary body (7) lower end cylindrical is set to screw thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510574450.6A CN105201423B (en) | 2015-09-10 | 2015-09-10 | A kind of hydraulic type continuous pressure send drill tools |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510574450.6A CN105201423B (en) | 2015-09-10 | 2015-09-10 | A kind of hydraulic type continuous pressure send drill tools |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105201423A true CN105201423A (en) | 2015-12-30 |
| CN105201423B CN105201423B (en) | 2017-05-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510574450.6A Expired - Fee Related CN105201423B (en) | 2015-09-10 | 2015-09-10 | A kind of hydraulic type continuous pressure send drill tools |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105545225A (en) * | 2016-01-07 | 2016-05-04 | 西南石油大学 | Horizontal well drill stem feeding tool |
| CN105625958A (en) * | 2016-01-07 | 2016-06-01 | 西南石油大学 | Hydraulic pulse type pressurizing drilling column feeding tool |
| CN105735916A (en) * | 2016-03-25 | 2016-07-06 | 西南石油大学 | Crawling horizontal well drill string feed-in tool |
| CN106958429A (en) * | 2017-04-11 | 2017-07-18 | 西南石油大学 | A kind of horizontal well pressurization driving tool |
| CN106958428A (en) * | 2017-04-11 | 2017-07-18 | 西南石油大学 | A kind of long stroke continuously send brill supercharging instrument |
| CN109403888A (en) * | 2017-08-16 | 2019-03-01 | 中石化石油工程技术服务有限公司 | A kind of hydraulic type continuous pressure send drill tools |
| CN112377133A (en) * | 2020-11-20 | 2021-02-19 | 中国石油集团渤海钻探工程有限公司 | Controllable pulse nipple |
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| CN1148131A (en) * | 1996-09-25 | 1997-04-23 | 王青松 | Equipment for evenly placing drilling rod into well |
| US20130068490A1 (en) * | 2010-05-17 | 2013-03-21 | Vermeer Manufacturing Company | Two pipe horizontal directional drilling system |
| CN202882783U (en) * | 2012-09-07 | 2013-04-17 | 中国石油化工股份有限公司 | Upward-rotation and downward-slide well drilling friction-reducing torsion-reducing tool |
| CN104806170A (en) * | 2015-05-13 | 2015-07-29 | 西南石油大学 | Drilling and coal mining large-variable-diameter reaming bit |
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2015
- 2015-09-10 CN CN201510574450.6A patent/CN105201423B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1148131A (en) * | 1996-09-25 | 1997-04-23 | 王青松 | Equipment for evenly placing drilling rod into well |
| US20130068490A1 (en) * | 2010-05-17 | 2013-03-21 | Vermeer Manufacturing Company | Two pipe horizontal directional drilling system |
| CN202882783U (en) * | 2012-09-07 | 2013-04-17 | 中国石油化工股份有限公司 | Upward-rotation and downward-slide well drilling friction-reducing torsion-reducing tool |
| CN104806170A (en) * | 2015-05-13 | 2015-07-29 | 西南石油大学 | Drilling and coal mining large-variable-diameter reaming bit |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105545225A (en) * | 2016-01-07 | 2016-05-04 | 西南石油大学 | Horizontal well drill stem feeding tool |
| CN105625958A (en) * | 2016-01-07 | 2016-06-01 | 西南石油大学 | Hydraulic pulse type pressurizing drilling column feeding tool |
| CN105545225B (en) * | 2016-01-07 | 2017-12-12 | 西南石油大学 | A kind of drillstring in horizontal section is sent into instrument |
| CN105735916A (en) * | 2016-03-25 | 2016-07-06 | 西南石油大学 | Crawling horizontal well drill string feed-in tool |
| CN106958429A (en) * | 2017-04-11 | 2017-07-18 | 西南石油大学 | A kind of horizontal well pressurization driving tool |
| CN106958428A (en) * | 2017-04-11 | 2017-07-18 | 西南石油大学 | A kind of long stroke continuously send brill supercharging instrument |
| CN106958428B (en) * | 2017-04-11 | 2018-11-16 | 西南石油大学 | A kind of long stroke, which is continuously sent, bores pressurization tool |
| CN109403888A (en) * | 2017-08-16 | 2019-03-01 | 中石化石油工程技术服务有限公司 | A kind of hydraulic type continuous pressure send drill tools |
| CN109403888B (en) * | 2017-08-16 | 2024-03-15 | 中石化石油工程技术服务有限公司 | Hydraulic continuous pressurizing drill feeding tool |
| CN112377133A (en) * | 2020-11-20 | 2021-02-19 | 中国石油集团渤海钻探工程有限公司 | Controllable pulse nipple |
| CN112377133B (en) * | 2020-11-20 | 2021-11-23 | 中国石油集团渤海钻探工程有限公司 | Controllable pulse nipple |
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| CN105201423B (en) | 2017-05-31 |
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