CN101649736A - rotary headstall - Google Patents
rotary headstall Download PDFInfo
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- CN101649736A CN101649736A CN200810150643A CN200810150643A CN101649736A CN 101649736 A CN101649736 A CN 101649736A CN 200810150643 A CN200810150643 A CN 200810150643A CN 200810150643 A CN200810150643 A CN 200810150643A CN 101649736 A CN101649736 A CN 101649736A
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- collecting ring
- chest
- connector
- sealing
- axle
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Abstract
The invention relates to oil exploration equipment, in particular to a rotary headstall of a composite tool suitable for the logging operation of vertical wells, directional wells, horizontal wells and the like. The rotary headstall is characterized in that the rotary headstall is formed by connecting an electrical connection mechanism, a rotary mechanism and a lower joint pressure balancing mechanism from top to bottom, wherein the pressure balancing mechanism is fixedly connected with a lower joint (22); a lower electrical connection joint (23) is sleeved in the lower joint (22); and a conducting wire is connected with the lower electrical connection joint (23) through the electrical connection mechanism, the rotary mechanism and the lower joint pressure balancing mechanism, and is finally connected with a downhole instrument through the lower joint (22) and the lower electrical connection joint (23) to realize the transfer of logging instructions and measurement signals of a lower instrument to complete a logging task. The rotary headstall has the advantages of high work efficiency, high precision, safety, reliability, shortened length and cost reduction.
Description
Technical field
The present invention relates to a kind of oil exploration equipment, particularly a kind of rotatable head harness of composite tool that is applicable to logging operations such as straight well, directional well, horizontal well.
Background technology
At present, in the domestic and international logger, the downhole tool that general rotary headstall that uses and rotating short-knot are absolute construction.Need on-the-spot the connection during use, increase workload, owing to be two kinds of absolute construction, both having increased length has also wasted material.Many one sealing parts of connecting portion under down-hole high temperature (175 ℃), high pressure (140MPa) situation, bull point hidden danger.
Summary of the invention
The purpose of this invention is to provide the rotary headstall that a kind of structural safety is reliable, easy to use, accuracy is high.
For achieving the above object, technical scheme of the present invention is: design a kind of rotary headstall, it is characterized in that: it is connected and composed from top to bottom by electrical connection mechanism, rotating mechanism and lower contact pressure balance mechanism three parts, pressure balance mechanism fixedlys connected with lower contact, electrically connects headgear down and is connected in the lower contact; Lead is connected with following Electricity Federation joint by electrical connection mechanism, rotating mechanism and lower contact pressure balance mechanism, is connected with downhole instrument by lower contact, following Electricity Federation joint at last, realizes the transmission of well logging instruction and bottom apparatus measures signal, finishes logging tasks.
Described electrical connection mechanism comprises head harness electrical connector, top connection, goes up connector, bolt, chest-developing bar, chest-developing bar lower connector and sealing-plug on shell, the chest-developing bar; The head harness electrical connector is threaded with top connection, top connection is threaded with connector upper end on the chest-developing bar, connector is threaded with chest-developing bar on the chest-developing bar, chest-developing bar is connected with chest-developing bar lower connector and plug thread, and last shell is connected on the chest-developing bar on the connector and chest-developing bar lower connector and sealing-plug by bolt sleeve; The control instruction that assign on ground is connected to electrically connecting on the sealing-plug in the chest-developing bar connector by the lead on the electrical connection sealing-plug of installing in electrical connector and the electrical connector.
Described rotating mechanism comprises connection volution, collecting ring mechanism, connecting axle, upper bearing (metal), outer pressure-bearing pipe, lower bearing, axis of rotation end cap, attaching nut; Connect volution and be socketed on chest-developing bar lower connector and the sealing-plug, collecting ring mechanism fixedlys connected with chest-developing bar lower connector and sealing-plug, and upper bearing (metal), lower bearing sleeve are connected on and place on the connecting axle on the axis of rotation end cap
, the axis of rotation end cap is connected with lower contact pressure balance mechanism by the attaching nut; Collecting ring, connecting axle, upper bearing (metal), lower bearing, axis of rotation end cap are socketed in the outer pressure-bearing pipe.
Described collecting ring mechanism comprises in collecting ring, collecting ring elastic contact chip, the collecting ring axle, overcoat in ring, the collecting ring; The collecting ring inner ring sleeve in collecting ring the axle on, the collecting ring elastic contact chip is embedded in and encircles on the inwall in the collecting ring, ring, the interior axle of collecting ring place the collecting ring overcoat fixedly connected in the collecting ring, fixedly connected with chest-developing bar lower connector and sealing-plug in the outer set upper side of collecting ring, in the collecting ring fixedly connected with connecting axle in the axle lower end.
Described lower contact pressure balance mechanism comprises thrust ring, dummy piston axle, dummy piston, scale, pressure-bearing pipe, sealing-plug dish; Connecting axle is connected with the dummy piston axle, thrust ring places between connecting axle lower end and the dummy piston axle, on the dummy piston axle respectively upper and lower sleeve be connected to dummy piston and scale, fixedly connected with the sealing-plug dish in the bottom of dummy piston axle, the sealing-plug tray bottom is fixedlyed connected with lower contact; Thrust ring, dummy piston axle, dummy piston, scale, sealing-plug dish are socketed in the pressure-bearing pipe.
Described attaching nut is socketed on the connecting axle; Upper bearing (metal), lower bearing are connected electrical connection mechanism by connecting axle with lower contact, make collecting ring center on the connecting axle rotation.
Characteristics of the present invention are:
(1) in collecting ring overcoat and the collecting ring axle go up and collecting ring in encircle to separate and be convenient to installation, demolition, also easy access.
(2) the collecting ring elastic contact chip is embedded in the collecting ring and encircles on the inwall, and electrical connection properties is good.
(3) collecting ring is more accurate around the feasible more multimetering effect that takes measurement of an angle of connecting axle rotation.
(4) rotary headstall becomes one with rotating short-knot, length reduced 2/3rds than originally, has reduced sealing part and cost of production, and its electrical connector structure management is more safe and reliable, is fit to the needs of complex hole condition.
Description of drawings
The present invention will be further described below in conjunction with the embodiment accompanying drawing.
Fig. 1 is the whole structure structural representation of the embodiment of the invention.
Fig. 2 is electrical connection mechanism, rotating mechanism structural representation.
Fig. 3 is lower contact pressure balance mechanism, lower contact, electrically connects the header structure schematic diagram down.
Among the figure: 1, head harness electrical connector; 2, top connection; 3, go up shell; 4, connector on the chest-developing bar; 5, bolt; 6, chest-developing bar; 7, chest-developing bar lower connector and sealing-plug; 8, connect volution;
9, ring in collecting ring: 9-1, the collecting ring elastic contact chip, 9-2 collecting ring, axle in 9-3, the collecting ring, 9-4, overcoat; 10, connecting axle; 11, upper bearing (metal); 12, outer pressure-bearing pipe; 13, lower bearing; 14, axis of rotation end cap; 15, attaching nut; 16, thrust ring; 17, dummy piston axle; 18, dummy piston; 19, scale; 20, pressure-bearing pipe; 21, sealing-plug dish; 22, lower contact; 23, descend the Electricity Federation joint.
The specific embodiment
Fig. 1 is the example structure schematic diagram, and rotary headstall is made up of electrical connection mechanism, rotating mechanism and lower contact pressure balance mechanism three parts as shown in Figure 1; Fig. 2 is electrical connection mechanism, rotating mechanism structural representation, and electrical connection mechanism comprises that connector 4, bolt 5, chest-developing bar 6, chest-developing bar lower connector and sealing-plug 7 constitute on head harness electrical connector 1, top connection 2, last shell 3, the chest-developing bar as shown in Figure 2; Head harness electrical connector 1 links to each other with top connection 2 by screw thread, the upper end of connector 4 is threaded on top connection 2 and the chest-developing bar, connector 4 and chest-developing bar 6 are by being threaded on the chest-developing bar, chest-developing bar 6 is to be threaded with chest-developing bar lower connector and sealing-plug 7, and last shell 3 usefulness bolts 5 are fixed on the chest-developing bar on edge joint device 4 and chest-developing bar lower connector and the sealing-plug 7; The control instruction that assign on ground is connected to electrically connecting on the sealing-plug in the chest-developing bar connector 7 by the lead on the electrical connection sealing-plug of installing in electrical connector 1 and the electrical connector 1; Rotating mechanism comprises connection volution 8, collecting ring mechanism, connecting axle 10, upper bearing (metal) 11, outer pressure-bearing pipe 12, lower bearing 13, axis of rotation end cap 14, attaching nut 15.Collecting ring mechanism comprises ring 9-2 in collecting ring 9, collecting ring elastic contact chip 9-1, the collecting ring, the interior axle of collecting ring 9-3, overcoat 9-4; Connecting volution 8 is enclosed within on chest-developing bar lower connector and the sealing-plug 7, ring 9-2 is enclosed within on the interior axle of the collecting ring 9-3 in the collecting ring, collecting ring elastic contact chip 9-1 is embedded in and encircles on the 9-4 inwall in the collecting ring, ring 9-2 in the collecting ring, axle 9-3 places collecting ring overcoat 9-4 fixedly connected in the collecting ring, collecting ring overcoat 9-4 is fixedlyed connected with chest-developing bar lower connector and sealing-plug 7 upper end, axle 9-3 is fixedlyed connected with connecting axle 10 lower end in the collecting ring, upper bearing (metal) 11 is enclosed within on the connection bearing 10, lower bearing 13 is enclosed within and places axis of rotation end cap 14 tops on the connecting axle 10, axis of rotation end cap 14 is fixed on the attaching nut 15, collecting ring 9, connecting axle 10, upper bearing (metal) 11, outer pressure-bearing pipe 12, lower bearing 13, axis of rotation end cap 14 places in the outer pressure-bearing pipe 12, connects spiral shell 15 and is enclosed within on the connecting axle 10; Upper bearing (metal) 11, lower bearing 13 are connected electrical connection mechanism by connecting axle 10 with lower contact 22, make collecting ring 9 around connecting axle 10 rotations.
Fig. 3 is lower contact pressure balance mechanism, lower contact, electrically connects the header structure schematic diagram down, and lower contact pressure balance mechanism comprises thrust ring 16 as shown in Figure 3; Dummy piston axle 17; Dummy piston 18; Scale 19; Pressure-bearing pipe 20; Sealing-plug dish 21.Connecting axle 10 is connected with dummy piston axle 17, thrust ring 16 places between connecting axle 10 lower ends and the dummy piston axle 17, on dummy piston axle 17, be with dummy piston 18, scale 19 is arranged under it, dummy piston axle 17 ends are fixedlyed connected with sealing-plug dish 21, and thrust ring 16, dummy piston axle 17, dummy piston 18, scale 19, sealing-plug dish 21 all place in the pressure-bearing pipe 20; Fixedly connected with lower contact 22 in sealing-plug dish 21 bottoms, following Electricity Federation joint 23 is embedded in the lower contact 22.Connecting axle 10 drive dummy piston axles 17 with machine driving to sealing-plug dish 21, is connected with following Electricity Federation joint 23, last being finished by lower contact 22, time Electricity Federation joint 23 is connected the connection task of finishing logger with downhole instrument.
The measuring-signal that present embodiment is uploaded by the control instruction assigned by ground and downhole instrument is wired to electrically connecting on the sealing-plug in the chest-developing bar connector 7 by the sealing-plug of installing in electrical connector 1 and the electrical connector 1 that electrically connects, arrive sealing-plug dish 21 by collecting ring 9 again, be connected with following Electricity Federation joint 23, at last by lower contact 22, Electricity Federation joint 23 is finished and is connected the connection task of finishing logger with downhole instrument down.The machinery rotating part is connected electrical connection mechanism by connecting axle 10 by upper bearing (metal) 11, lower bearing 13 with lower contact 22, make collecting ring center on connecting axle 10 rotations, finishes the transmission of well logging instruction and bottom apparatus measures signal, finishes logging tasks.This rotary headstall work efficiency height, accuracy height, safe and reliable, contraction in length, cost reduce.
Claims (6)
1, rotary headstall, it is characterized in that: it is connected and composed from top to bottom by electrical connection mechanism, rotating mechanism and lower contact pressure balance mechanism three parts, pressure balance mechanism fixedlys connected with lower contact (22), and following Electricity Federation joint (23) is socketed in the lower contact (22); Lead is connected with following Electricity Federation joint (23) by electrical connection mechanism, rotating mechanism and lower contact pressure balance mechanism, be connected with downhole instrument by lower contact (22), following Electricity Federation joint (23) at last, realize the transmission of well logging instruction and bottom apparatus measures signal, finish logging tasks.
2, rotary headstall according to claim 1 is characterized in that: described electrical connection mechanism comprises head harness electrical connector (1), top connection (2), goes up connector (4), bolt (5), chest-developing bar (6), chest-developing bar lower connector and sealing-plug (7) on shell (3), the chest-developing bar; Head harness electrical connector (1) is threaded with top connection (2), top connection (2) is threaded with connector (4) upper end on the chest-developing bar, connector on the chest-developing bar (4) is threaded with chest-developing bar (6), chest-developing bar (6) is threaded with chest-developing bar lower connector and sealing-plug (7), and last shell (3) is socketed on connector on the chest-developing bar (4) and chest-developing bar lower connector and the sealing-plug (7) by bolt (5); The control instruction that assign on ground is connected to electrically connecting on the sealing-plug in the chest-developing bar connector (7) by the lead on the electrical connection sealing-plug of installing in electrical connector (1) and the electrical connector (1).
3, rotary headstall according to claim 1 is characterized in that: described rotating mechanism comprises connection volution (8), collecting ring mechanism, connecting axle (10), upper bearing (metal) (11), outer pressure-bearing pipe (12), lower bearing (13), axis of rotation end cap (14), attaching nut (15); Connecting volution (8) is socketed on chest-developing bar lower connector and the sealing-plug (7), collecting ring mechanism fixedlys connected with chest-developing bar lower connector and sealing-plug (7), upper bearing (metal) (11), lower bearing (13) are socketed in and place axis of rotation end cap (14) top on the connecting axle (10), and axis of rotation end cap (14) is connected with lower contact pressure balance mechanism by attaching nut (15); Collecting ring (9), connecting axle (10), upper bearing (metal) (11), lower bearing (13), axis of rotation end cap (14) are socketed in the outer pressure-bearing pipe (12).
4, rotary headstall according to claim 3 is characterized in that: described collecting ring mechanism comprises in collecting ring (9), collecting ring elastic contact chip (9-1), the collecting ring axle (9-3), overcoat (9-4) in ring (9-2), the collecting ring; Ring (9-2) is enclosed within on the interior axle of collecting ring (9-3) in the collecting ring, collecting ring elastic contact chip (9-1) is embedded in and encircles on (9-4) inwall in the collecting ring, ring (9-2), the interior axle of collecting ring (9-3) place collecting ring overcoat (9-4) fixedly connected in the collecting ring, fixedly connected with chest-developing bar lower connector and sealing-plug (7) in collecting ring overcoat (9-4) upper end, in the collecting ring fixedly connected with connecting axle (10) in axle (9-3) lower end.
5, rotary headstall according to claim 1, it is characterized in that: described lower contact pressure balance mechanism comprises thrust ring (16), dummy piston axle (17), dummy piston (18), scale (19), pressure-bearing pipe (20), sealing-plug dish (21): connecting axle (10) is connected with dummy piston axle (17), thrust ring (16) places between connecting axle (10) lower end and the dummy piston axle (17), on the dummy piston axle (17) respectively upper and lower sleeve be connected to dummy piston (18) and scale (19), fixedlying connected with sealing-plug dish (21) in the bottom of dummy piston axle (17), fixedlys connected with lower contact (22) in sealing-plug dish (21) bottom; Thrust ring (16), dummy piston axle (17), dummy piston (18), scale (19), sealing-plug dish (21) are socketed in the pressure-bearing pipe (20).
6, rotary headstall according to claim 3 is characterized in that: described attaching nut (15) is socketed on the connecting axle (10); Upper bearing (metal) (11), lower bearing (13) are connected electrical connection mechanism by connecting axle (10) with lower contact (22), make collecting ring (9) around connecting axle (10) rotation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810150643A CN101649736A (en) | 2008-08-15 | 2008-08-15 | rotary headstall |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810150643A CN101649736A (en) | 2008-08-15 | 2008-08-15 | rotary headstall |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101649736A true CN101649736A (en) | 2010-02-17 |
Family
ID=41672046
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200810150643A Pending CN101649736A (en) | 2008-08-15 | 2008-08-15 | rotary headstall |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101649736A (en) |
-
2008
- 2008-08-15 CN CN200810150643A patent/CN101649736A/en active Pending
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| AD01 | Patent right deemed abandoned |
Effective date of abandoning: 20100217 |
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| C20 | Patent right or utility model deemed to be abandoned or is abandoned |