CN2350525Y - Universal joint pivoted wired while-drilling apparatus - Google Patents
Universal joint pivoted wired while-drilling apparatus Download PDFInfo
- Publication number
- CN2350525Y CN2350525Y CN98244524U CN98244524U CN2350525Y CN 2350525 Y CN2350525 Y CN 2350525Y CN 98244524 U CN98244524 U CN 98244524U CN 98244524 U CN98244524 U CN 98244524U CN 2350525 Y CN2350525 Y CN 2350525Y
- Authority
- CN
- China
- Prior art keywords
- universal joint
- instrument
- centralizer
- drilling
- wired
- 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 universal joint pivoted wired while-drilling apparatus which is a steering tool used in the construction of the well drilling of an oil field, which is mainly composed of a cable 1, a rope cap head 2, a probe compression resistant cylinder 3, a non-magnetic drill collar 4, a universal joint 5, a directional lead oblique 6, an antivibration centralizer 7, a segmenting extension bar 8, etc., wherein, the hinge structure of the universal joint and the structure of the antivibration centralizer which are originally originality designed enable the universal joint pivoted wired while-drilling apparatus to the water eyes of a drill collar has the advantages of rigid upright and bending axial direction. Thus, the utility model can satisfy the directional drilling construction of the wellbore tracks of various short radius, can also be used for the construction of vertical shafts. When the universal joint pivoted wired while-drilling apparatus is matched with other parameter measurement apparatus, the utility model can also form a while-drilling general measuring apparatus to do while-drilling dynamic measurement.
Description
The utility model relates to the measuring instrument that uses in a kind of oil drilling construction, is particularly suitable for the less wellbore construction of well track radius.Belong to the oil drilling instrument class.
Conventional in the prior art all is with the straight rigid rod of length that is threaded with boring instrument, comprises cable, and rope socket head, inserting tube resistance to compression tube, extension bar and orientation are drawn parts such as oblique.Its length is generally 6 ￣ 8m, because main measuring transducer carries out work by the magnetic field of the earth as the reference value in the instrument, is to guarantee certainty of measurement, and general requirements can not have ferromagnetic material to exist at the upper and lower of inserting tube 5m with interior.Therefore, in the actual well drilled measurement while drilling, be placed on this instrument in the less non magnetic drill collar of internal diameter and work.Though the core of instrument is an inserting tube, other each several part also be by the operate as normal and the certainty of measurement that guarantee instrument requisite.Like this, a diameter is 45mm, and the outspoken nature instrument of length 6m to 8m is placed on internal diameter and is in the non magnetic drill collar about 60mm, because the compensate for bend space is very little, in the less wellbore construction of well track radius, drill collar is quite limited to the protection of instrument.When being drilled into orbital radius less than 50m, instrument will be rolled over bad, and drilling measuring work can't be carried out, and has influenced the development and the enforcement of short radius curvature well drilling technology.
The purpose of this utility model is to provide a kind of can be used for short radius track wellbore construction, can be used for again straight well construction with boring instrument.Promptly this instrument is axially flexible in short radius track well, and is again can rigidity in straight well upright.
The purpose of this utility model realizes by a kind of universal joint radial type wired drilling measuring instrument of design.This instrument has mainly adopted four kinds of new technical schemes: the one, and effective external diameter of minimizing instrument makes its compensate for bend space in non magnetic drill collar become big; The 2nd, rigid long straight bar is designed to the segmentation articulated form, strengthened instrument integrally bending ability, adapted to the needs of short radius track well wellbore construction; The 3rd, the gimbal design of each section of instrument connection becomes joint boot by the structure that one group of steel ball and cardan axis are hinged, and gets final product transfer torque like this, again can be radially free movable, and the cardan axis of hollow can be provided with communication cable; The 4th, increased by two kinds of new antivibration centralizer structures of bow type centralizer and wing centralizer, bow type centralizer is used in the bigger drill collar of hydrophthalmia diameter.Wing centralizer is used for the less drill collar of hydrophthalmia diameter, plays at work and can set upright instrument, and the effect that can reduce to vibrate again especially in straight well, can keep the rigidity of instrument upright.
The concrete structure of the hinged wired drilling instrument of universal joint of the present utility model comprises that mainly cable, rope socket head, inserting tube resistance to compression tube, universal joint, antivibration centralizer, segmentation extension bar and orientation part such as draw tiltedly.Cable is the high strength downhole cable, the suspention whole instrument, and coupled is the rope socket head, and the rope socket subfacies is an inserting tube resistance to compression tube, is the segmentation extension bar below the inserting tube resistance to compression tube, and the bottom is that orientation is drawn tiltedly, and whole instrument places among the non magnetic drill collar.Wherein cable adopts conventionally form to be connected with the rope socket head, and all the other divide between the body structure and all connect with universal joint.Though the instrument length overall is constant like this, each split is then shorter.Universal joint is by crossing the line cable, compositions such as cardan axis, steel ball and joint boot, and cardan axis and joint boot are hollow structure, supply the line cable to pass through.Its connection and transmission of power is each other finished by one group of steel ball.Arc antivibration centralizer is formed by crossing line cable, anchor tip, arc reed, active joint and locking nut etc.Anchor tip is a pipe structure, and the centre is provided with cable passage, and the arc reed more than three is installed between anchor tip and the active joint in uniform way, and locks with locking nut.Reed adopts the high-strength spring steel manufacturing.Wing centralizer is formed by crossing line cable, hollow shaft and wing cover etc.Wing apply mechanically the welding or other form be fixed on the hollow shaft, the fin more than three is arranged on it.
In the use of universal joint wired drilling instrument, to substitute the segmentation extension bar with Other Instruments sometimes and form with boring general measuring instrument.At this moment, the power supply of instrument, signal are interconnected by the cable by universal joint, the effect of universal joint is to draw the angle that is tiltedly turned over according to orientation, turn over the angle identical with it, play the instrument orientation, the signal of whole instrument is transmitted by universal joint, pass to ground by cable always.
The hinged wired drilling instrument of universal joint of the present utility model compared with prior art has following advantage and effect:
1, because the instrument each several part adopts segmentation hinged, make rigid long straight bar become short rigid rod, so crooking ability increases, be applicable to the wellbore construction of short radius well track.
2, this instrument not only can be used for short radius track well, also can be used for the wellbore construction of conventional well and any three-dimensional track well.
3, this instrument segmentation extension bar can change other measuring instrument composition into boring general measuring instrument.
Accompanying drawing 1 is the schematic diagram of the hinged wired drilling instrument of universal joint
Accompanying drawing 2 is universal joint schematic diagrames
Accompanying drawing 4 is wing antivibration centralizer schematic diagrames
1 to 4 given embodiment is further described the utility model below in conjunction with accompanying drawing.
The hinged wired drilling instrument of universal joint among the embodiment draws oblique 6, antivibration centralizer 7, segmentation extension bar 8 etc. by cable 1, rope socket head 2, inserting tube resistance to compression tube 3, non magnetic drill collar 4, universal joint 5, orientation and forms.Cable 1 is conventional structure of the prior art with non magnetic drill collar 4, and it is to be connected the end all to have adopted gimbal structure with the segmentation extension bar 8 and the difference of prior art that rope socket head 2, inserting tube resistance to compression tube 3, orientation draw oblique 6.Universal joint 5 and antivibration centralizer 7 are two key technologies in the utility model.Universal joint 5 comprised parts such as line cable 9, cardan axis 10, steel ball 11 and joint boot 12.Cross line cable 9 and be the part of cable 1.Cardan axis 10 is the hollow axial workpieces that have bulb, is processed with the circular trough that steel ball 11 is installed on the bulb.Steel ball 11 is wear-resisting high-strength degree alloy steel balls.Joint boot 12 is the hollow sleeve that have Internal Spherical Surface, also is processed with the circular trough that steel ball 11 is installed on the Internal Spherical Surface.Antivibration centralizer 7 has two kinds of forms, and a kind of is bow-shaped structural, and a kind of is wing-shaped structure, is respectively applied in two kinds of bigger and less drill collars of hydrophthalmia diameter.It is arc reed 14 that bow-shaped structural is set upright part, among the embodiment be 4 circumferential uniform, be installed between anchor tip 13 and the active joint 15, and lock with locking nut 16, the passage that cable passes through is left in the centre.Wing-shaped structure set upright the part be the strip fin that is fixed on the wing cover 18 on the hollow shaft 17, among the embodiment also be 4 circumferential uniform, passage is also left in the centre.
Present embodiment with boring the configurable pressure bomb of instrument, parameter measurement instruments such as GR instrument carry out drilling well with boring kinetic measurement.Because its special architectural feature and technical characterictic can guarantee normal effectively work in the three-dimensional well of 20m left and right sides locus of radius.
Claims (4)
1, the hinged wired drilling instrument of universal joint that uses in a kind of oil drilling construction, comprise that cable (1), rope socket head (2), inserting tube resistance to compression tube (3), orientation draw tiltedly part such as (6) and extension bar, it is characterized in that: the extension bar in this instrument improves and is designed to segmentation extension bar (8), and design has universal joint articulated structure (5) between each coupling part.
2, the hinged wired drilling instrument of universal joint according to claim 1, it is characterized in that: the universal joint articulated structure (5) of this instrument is made up of cardan axis (10), joint boot (12) and steel ball (11) etc., be connected and transmission power with one group of steel ball (11) between cardan axis (10) and the joint boot (12), the face of being in contact with one another is a spherical structure, and the middle passage that cable is set that leaves.
3, the hinged wired drilling instrument of universal joint according to claim 2, it is characterized in that: antivibration centralizer (7) also is housed on this instrument, the antivibration centralizer can adopt bow type centralizer and two kinds of structures of wing centralizer, and arc antivibration centralizer is made of between the two and with the arc reed (14) more than three of locking nut (16) locking anchor tip (13), active joint (15) and uniform installation; Wing centralizer is made up of the hollow shaft (17) and three the wing covers (18) with upper panel that have fixed on it.
4, according to the hinged wired drilling instrument of the described universal joint of claim 1 to 3, it is characterized in that: each segmentation extension bar can substitute with other parameter measurement instrument to be formed with boring general measuring instrument.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN98244524U CN2350525Y (en) | 1998-09-29 | 1998-09-29 | Universal joint pivoted wired while-drilling apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN98244524U CN2350525Y (en) | 1998-09-29 | 1998-09-29 | Universal joint pivoted wired while-drilling apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2350525Y true CN2350525Y (en) | 1999-11-24 |
Family
ID=33990610
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN98244524U Expired - Fee Related CN2350525Y (en) | 1998-09-29 | 1998-09-29 | Universal joint pivoted wired while-drilling apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2350525Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102052069A (en) * | 2010-11-22 | 2011-05-11 | 中联煤层气国家工程研究中心有限责任公司 | Near-bit measurement while drilling (MWD) system and method |
| CN113073969A (en) * | 2021-03-16 | 2021-07-06 | 徐梓辰 | Logging device and method |
| CN113818818A (en) * | 2021-09-22 | 2021-12-21 | 成都多贝石油工程技术有限公司 | Drilling tool wire passing assembly and application thereof |
| CN115434691A (en) * | 2021-06-02 | 2022-12-06 | 徐梓辰 | Position measuring device and method |
-
1998
- 1998-09-29 CN CN98244524U patent/CN2350525Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102052069A (en) * | 2010-11-22 | 2011-05-11 | 中联煤层气国家工程研究中心有限责任公司 | Near-bit measurement while drilling (MWD) system and method |
| CN113073969A (en) * | 2021-03-16 | 2021-07-06 | 徐梓辰 | Logging device and method |
| CN115434691A (en) * | 2021-06-02 | 2022-12-06 | 徐梓辰 | Position measuring device and method |
| CN113818818A (en) * | 2021-09-22 | 2021-12-21 | 成都多贝石油工程技术有限公司 | Drilling tool wire passing assembly and application thereof |
| CN113818818B (en) * | 2021-09-22 | 2024-03-26 | 北京六合伟业科技股份有限公司 | Drilling tool wire passing assembly and application thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5135059A (en) | Borehole drilling motor with flexible shaft coupling | |
| AU623926B2 (en) | Straight hole drilling method and assembly | |
| CN1266368C (en) | Auger drill | |
| CN2350525Y (en) | Universal joint pivoted wired while-drilling apparatus | |
| CA2128114C (en) | Stress relief groove for drill pipe | |
| CN109989732A (en) | A kind of flexibility screen casing and sand control completion tubing string and its application method | |
| CN110273412A (en) | A kind of deep hole static sounding device | |
| CN2278757Y (en) | Flexible pipe drilling tool for super-short radium horizontal drilling | |
| US4560012A (en) | Drill collar structure for use in deviated well bore drilling | |
| CN209293685U (en) | One kind being used for the cased guidance drill bit of deflecting hole section | |
| CN207315229U (en) | Drill assembly | |
| CN2123599U (en) | Short-curvature radius horizontal well screw arbor drilling tool | |
| CN206830105U (en) | Break in a kind of well and fall drilling tool marine salvage equipment | |
| CN2825915Y (en) | Oriented well drilling tool with guide rail and spline | |
| CN101979817A (en) | Ditrigonal centralizer | |
| CN210013667U (en) | Directional drilling vibration drag reduction drilling tool combination device | |
| CN221145005U (en) | High wear-resisting axle core | |
| CN209687426U (en) | A kind of oil drill rocker drag reduction adapter | |
| CN111852335A (en) | Multi-branch yield tool pipe internal guiding tool | |
| CN2128968Y (en) | Drilling equipment | |
| CN202467696U (en) | Accurate anti-abrasion and torque-reduction device for well drilling pipe | |
| CN102108835B (en) | Motor impact transmission shaft | |
| CN2534356Y (en) | Sucker pole coupling centralizer | |
| CN206035392U (en) | Screw connection drill rod | |
| CN2608687Y (en) | Self drilling type rock prestressed grouting anchor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |