CN203347688U - Deviation-control way-type drilling unit - Google Patents
Deviation-control way-type drilling unit Download PDFInfo
- Publication number
- CN203347688U CN203347688U CN 201320435578 CN201320435578U CN203347688U CN 203347688 U CN203347688 U CN 203347688U CN 201320435578 CN201320435578 CN 201320435578 CN 201320435578 U CN201320435578 U CN 201320435578U CN 203347688 U CN203347688 U CN 203347688U
- Authority
- CN
- China
- Prior art keywords
- stabilizer
- drilling
- drilling unit
- deviation
- eye
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Earth Drilling (AREA)
Abstract
The utility model relates to a deviation-control way-type drilling unit, which is used for the well drilling process in the oil field well drilling field. The drilling unit comprises a drill collar, an upper stabilizer, a power drilling unit, a pup joint, a lower stabilizer and a drill, wherein the lower end of the drill collar is successively connected with the upper stabilizer, the power drilling unit, the pup joint and the lower stabilizer; the drill is connected below the lower stabilizer; and a wireless MWD (measurement while drilling) survey meter is installed in the pup joint. The wireless MWD survey meter arranged in the deviation-control way-type drilling unit can be used for precisely and continuously controlling a borehole trajectory, the fusion application of the deviation-control beating upright technology, the pressure-reduction well drilling technology and the compound well drilling technology of a packed hole assembly is realized, and the problem of low drilling efficiency due to high risk of the complex well section deviation correction and control construction operation is effectively solved.
Description
Technical field
The utility model relates to oil drilling field a kind of drilling tool used in drilling process, a kind of anti-oblique way-type drilling unit specifically.
Background technology
At present, along with deepening continuously of probing field, the drilling well block progressively enlarges, the bottom situation is more complicated, higher formation clination, the well straightening of Holes of Complicated Wells section, anti-oblique construction operation security risk increase, and new type auto vertical drilling tool was abroad once arranged, but these tool expense costlinesses, the straight well drilling cost is still higher.And in domestic existing straight hole deviation prevention and fast technology, packed hole assembly deviation control with drilling straight well technology, step-down drilling technology, combined drilling technology are realizing aspect simple function that certain effect is arranged, but due to technical limitations, can't realize the anti-oblique of straight hole simultaneously and beat soon, the exploitation drilling efficiency that affects above-mentioned exploration block is low.
Summary of the invention
In order to solve the deficiency described in background technology, the utility model provides a kind of anti-oblique way-type drilling unit.This anti-oblique way-type drilling unit has been realized the fusion application of packed hole assembly deviation control with drilling straight well technology, step-down drilling technology and combined drilling technology, effectively solves the well straightening of Holes of Complicated Wells section, anti-oblique construction operation security risk is high and the low problem of drilling efficiency that cause.
The technical solution of the utility model is: a kind of anti-oblique way-type drilling unit, comprise drill collar, upper stabilizer, power drilling tool, pipe nipple, lower stabilizer and drill bit, above-mentioned drill collar lower end is connected with stabilizer, power drilling tool, pipe nipple and stabilizer in turn, be connected with drill bit under stabilizer, and in above-mentioned pipe nipple, the MWD wireless measuring instrument while drilling be installed.
Described upper stabilizer and lower stabilizer be for meeting the eye on every side sleeve type, and overcoat is rotatable and with the spiral righting wing.
Described power drilling tool overcoat is filled a stabilizer; Described pipe nipple outer wall is with helical blade.
The beneficial effects of the utility model are: in such scheme, the MWD wireless measuring instrument while drilling be arranged in pipe nipple is that a series of sensors of measuring well attitude and reservoir characteristics are positioned in short circuit, can measure the parameter such as hole deviation, orientation, tool-face and bottom resistivity, natural gamma of installation of sensors position, then metrical information is passed to the monitoring system on ground by mud-pulse or electromagnetic wave, the function of this system is equivalent to load onto " eyes " to drill bit, measure in real time orientation parameter, can control accurately, continuously well track; Utilize drill bit, ectosome meet the eye on every side on rotatable stabilizer and under meet the eye on every side nearly drill bit on stabilizer, power drilling tool and meet the eye on every side stabilizer and form packed hole assembly, in the process of drilling tool High Rotation Speed, on ectosome is rotatable, meet the eye on every side stabilizer with under meet the eye on every side stabilizer rotate relative with drilling tool of ectosome, the spiral righting wing keeps relative static with the borehole wall, thereby form a stable fulcrum, further improved drilling assembly anti-oblique, beat straight ability, reach the anti-oblique purpose of straight hole; Utilize power drilling tool and surface drive to drive the pipe nipple High Rotation Speed with helical blade; Under driving, the High Rotation Speed of power drilling tool and surface drive makes the quick lifting that makes progress of fluid between the borehole wall and drilling tool, simultaneously due to the nearly drill bit of power drilling tool, meet the eye on every side stabilizer, ectosome and meet the eye on every side an approximate confined space of formation between stabilizer and borehole wall three under rotatable, and then form the local suction effect, realize the suck purge of the local step-down of nearly drill bit and shaft bottom landwaste; Utilize power drilling tool to realize compound drilling; Drill bit is the various high speed rock bits that meet requirement of engineering, can adapt to the high rotating speed of compound drilling.The power drilling tool unit head partly connects the rotatable stabilizer of meeting the eye on every side of ectosome simultaneously, this ectosome part of meeting the eye on every side stabilizer is not with the rotation of power head height speed, thereby reduced the loss of power drilling tool moment of torsion, obtained higher rate of penetration, reached straight hole and beat fast purpose.This combined drilling way-type drilling unit, when having kept packed hole assembly deviation control with drilling straight well ability, has further improved the rotary speed of drill bit; At nearly drill bit, place has formed local annular space pumped down effect, has improved the cleaning efficiency of shaft bottom landwaste, has reduced the compacting effect of rock stratum, shaft bottom; Realized the deviation prevention and fast of straight hole.And adopted the rotatable stabilizer of meeting the eye on every side of ectosome in drilling assembly, further reduced the drilling tool moment of torsion.This anti-oblique way-type drilling unit realizes that straight hole is anti-oblique and play fast combination thus, has the advantages that fast, the anti-oblique ability of bit speed is strong, cost is low, thereby greatly reduces drilling cost.
The accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
1-drill collar in figure, the upper stabilizer of 2-, 3-power drilling tool, 4-pipe nipple, stabilizer under 5-, 6-drill bit.
The specific embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail:
As shown in Figure 1, this combined drilling way-type drilling unit comprises that drill collar 1, ectosome meet the eye on every side stabilizer 2, power drilling tool 3, pipe nipple 4, ectosome on rotatable and meet the eye on every side stabilizer 5 and drill bit 6 under rotatable, meet the eye on every side stabilizer 2 on 1 time connection ectosome of drill collar is rotatable, on meet the eye on every side stabilizer and be connected with the power drilling tool 3 of meeting the eye on every side stabilizer with nearly drill bit for 2 times, power drilling tool is connected with the pipe nipple 4 with helical blade for 3 times, pipe nipple is connected with ectosome for 4 times and meet the eye on every side stabilizer 5 under rotatable, under meet the eye on every side stabilizer and be connected with drill bit 65 times; And the MWD wireless measuring instrument while drilling is installed in above-mentioned pipe nipple 4, the MWD wireless measuring instrument while drilling be arranged in pipe nipple can be positioned over a series of sensors of measuring well attitude and reservoir characteristics in short circuit and take down-hole to, measure the parameter such as hole deviation, orientation, tool-face and bottom resistivity, natural gamma of installation of sensors position, then metrical information is passed to the monitoring system on ground by mud-pulse or electromagnetic wave, ground monitoring system is monitored the state of creeping at any time.The function of this system is equivalent to load onto " eyes " to drill bit, measures in real time orientation parameter, can control accurately, continuously well track; Many geologic parameters can accurately be described formation lithology, formation porosity and sweat saturation ratio, in the wellbore construction process of directional well, horizontal well and extended reach well, adopt the LWD instrument to carry out geosteering, can control exactly well track, make it to navigate within reservoir the optimum position that is conducive to produce oil, effectively avoid oil/gas and oil/water interface.Utilize drill bit 6, on meet the eye on every side stabilizer 2 and under meet the eye on every side nearly drill bit on stabilizer 5, power drilling tool 3 and meet the eye on every side stabilizer and form packed hole assembly; On above-mentioned ectosome is rotatable, meet the eye on every side stabilizer 2, under the nearly drill bit met the eye on every side on stabilizer 5 and power drilling tool 3 meet the eye on every side stabilizer, be the helical form stabilizer, the 3-5 bar spiral righting wing is arranged on it, and external diameter to be consistent, all be less than borehole diameter 1mm-3mm.Simultaneously above-mentioned ectosome meet the eye on every side on rotatable stabilizer 2 and under meet the eye on every side stabilizer 5, the spiral righting wing is on the stabilizer ectosome, in the process of drilling tool High Rotation Speed, on meet the eye on every side stabilizer 2 with under meet the eye on every side rotate relative with drilling tool of ectosome on stabilizer 5, the spiral righting wing keeps relative static with the borehole wall, thereby form a stable fulcrum, improved the ability of drilling assembly deviation control with drilling straight well, reach the anti-oblique purpose of straight hole.Utilize power drilling tool 3 and surface drive to drive pipe nipple 4 High Rotation Speeds with helical blade, be less than with the whole maximum outside diameter of pipe nipple 4 of helical blade the maximum outside diameter that ectosome is met the eye on every side stabilizer on rotatable, and the design of helical blade and power drilling tool direction of rotation are complementary, under driving, the High Rotation Speed of power drilling tool and surface drive makes the quick lifting that makes progress of fluid between the borehole wall and drilling tool, simultaneously due to the nearly drill bit of power drilling tool 3, meet the eye on every side stabilizer and ectosome is met the eye on every side an approximate confined space of formation between stabilizer 5 and borehole wall three under rotatable, and then formation local suction effect, realize the suck purge of the local step-down of nearly drill bit and shaft bottom landwaste.Drill bit 6 is various high speed rock bit or the PDC drill bits that meet requirement of engineering, can adapt to the high rotating speed of compound drilling.Power drilling tool 3 unit heads partly connect the rotatable stabilizer of meeting the eye on every side of ectosome simultaneously, this ectosome part of meeting the eye on every side stabilizer is not with the rotation of power head height speed, thereby reduced the loss of power drilling tool moment of torsion, obtained higher rate of penetration, reached straight hole and beat fast purpose.
Claims (4)
1. an anti-oblique way-type drilling unit, comprise drill collar (1), upper stabilizer (2), power drilling tool (3), pipe nipple (4), lower stabilizer (5) and drill bit (6), above-mentioned drill collar (1) lower end is connected with stabilizer (2), power drilling tool (3), pipe nipple (4) and stabilizer (5) in turn, be connected with drill bit (6) under stabilizer (5), it is characterized in that: above-mentioned pipe nipple is equipped with the MWD wireless measuring instrument while drilling in (4).
2. anti-oblique way-type drilling unit according to claim 1 is characterized in that: described upper stabilizer (2) and lower stabilizer (5) be for meeting the eye on every side sleeve type, and overcoat is rotatable and with the spiral righting wing.
3. anti-oblique way-type drilling unit according to claim 1, it is characterized in that: described power drilling tool (3) overcoat is filled a stabilizer.
4. anti-oblique way-type drilling unit according to claim 1, it is characterized in that: described pipe nipple (4) outer wall is with helical blade.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320435578 CN203347688U (en) | 2013-07-22 | 2013-07-22 | Deviation-control way-type drilling unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320435578 CN203347688U (en) | 2013-07-22 | 2013-07-22 | Deviation-control way-type drilling unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203347688U true CN203347688U (en) | 2013-12-18 |
Family
ID=49747598
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320435578 Expired - Fee Related CN203347688U (en) | 2013-07-22 | 2013-07-22 | Deviation-control way-type drilling unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203347688U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104373041A (en) * | 2014-09-11 | 2015-02-25 | 中铁十六局集团第五工程有限公司 | Drilling deviation rectification method for 60-meter-long hole drilling of tunnel large pipe shed |
| CN104481433A (en) * | 2014-11-26 | 2015-04-01 | 中国石油天然气股份有限公司 | Near-bit local pressure-reducing short joint |
| CN104929519A (en) * | 2014-03-18 | 2015-09-23 | 四川海沃石油工程技术有限公司 | Anti-deviation straight-drilling combined drilling tool for drilling engineering |
| CN107676042A (en) * | 2017-10-26 | 2018-02-09 | 中国石油集团西部钻探工程有限公司 | Oil drilling three-dimensional horizontal well rigidity drifting BHA |
| CN113882805A (en) * | 2021-08-31 | 2022-01-04 | 中国石油天然气集团有限公司 | Drilling tool combination capable of drilling easily-inclined and difficultly-drilled stratum quickly |
| CN114658372A (en) * | 2020-12-23 | 2022-06-24 | 航天科工惯性技术有限公司 | Method for assembling drill collar and bin body and centralizing sleeve |
-
2013
- 2013-07-22 CN CN 201320435578 patent/CN203347688U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104929519A (en) * | 2014-03-18 | 2015-09-23 | 四川海沃石油工程技术有限公司 | Anti-deviation straight-drilling combined drilling tool for drilling engineering |
| CN104373041A (en) * | 2014-09-11 | 2015-02-25 | 中铁十六局集团第五工程有限公司 | Drilling deviation rectification method for 60-meter-long hole drilling of tunnel large pipe shed |
| CN104481433A (en) * | 2014-11-26 | 2015-04-01 | 中国石油天然气股份有限公司 | Near-bit local pressure-reducing short joint |
| CN107676042A (en) * | 2017-10-26 | 2018-02-09 | 中国石油集团西部钻探工程有限公司 | Oil drilling three-dimensional horizontal well rigidity drifting BHA |
| CN114658372A (en) * | 2020-12-23 | 2022-06-24 | 航天科工惯性技术有限公司 | Method for assembling drill collar and bin body and centralizing sleeve |
| CN113882805A (en) * | 2021-08-31 | 2022-01-04 | 中国石油天然气集团有限公司 | Drilling tool combination capable of drilling easily-inclined and difficultly-drilled stratum quickly |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203347688U (en) | Deviation-control way-type drilling unit | |
| AU2015270910B2 (en) | Method and system for directional drilling | |
| CA2931099C (en) | Closed-loop drilling parameter control | |
| US9267329B2 (en) | Drill bit with extension elements in hydraulic communications to adjust loads thereon | |
| US10094209B2 (en) | Drill pipe oscillation regime for slide drilling | |
| US9140114B2 (en) | Instrumented drilling system | |
| CN103410503B (en) | A kind of continuous wave slurry pulse generator | |
| US10968730B2 (en) | Method of optimizing drilling ramp-up | |
| US20140027179A1 (en) | Drill Bit with Electrohydraulically Adjustable Pads for Controlling Depth of Cut | |
| CN104453714A (en) | Rotary steering tool controlling method | |
| CN104499940A (en) | Full-rotation sense type guide tool and guide method | |
| US20160251953A1 (en) | Ratio-based mode switching for optimizing weight-on-bit | |
| CN112081528A (en) | Horizontal section efficient support-free oscillating drilling tool combination and method | |
| US20170218747A1 (en) | Determining expected sensor values for drilling to monitor the sensor | |
| US10697241B2 (en) | Downhole turbine with an adjustable shroud | |
| CN202659146U (en) | Double-drilling combined drill structure suitable for drilling operation of oil well and horizontal well | |
| CN201874461U (en) | Anti-deviation straightening while-drilling composite drilling device | |
| CN108952569B (en) | Drilling track control method for horizontal well of bottom water layer oil and gas reservoir | |
| CN207863866U (en) | A kind of directional well drill assembly | |
| CN2522601Y (en) | Modulated rotary guiding offset tool | |
| CN202814404U (en) | Guiding sleeve rotation speed measuring device for rotating guiding drilling tool | |
| CN203603765U (en) | Underground vibration drilling joint | |
| CN201347721Y (en) | Flexible shaft passing through measuring chamber | |
| CN105275393B (en) | Method and device for horizontal well drilling of oil layer and drill string | |
| Sun et al. | Development of Strap-down Automatic Vertical Drilling System |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131218 Termination date: 20160722 |