CN105298439A - Top driving cement head - Google Patents
Top driving cement head Download PDFInfo
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- CN105298439A CN105298439A CN201510697483.XA CN201510697483A CN105298439A CN 105298439 A CN105298439 A CN 105298439A CN 201510697483 A CN201510697483 A CN 201510697483A CN 105298439 A CN105298439 A CN 105298439A
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Abstract
The invention discloses a top driving cement head. The top driving cement head comprises a rotation assembly, at least one upper rubber plug releasing assembly and an indicator assembly which are sequentially in sealing connection from top to bottom through connecting assemblies. The structure of the rotation assembly is that the rotation assembly comprises an upper joint provided with a center through hole; a cylinder sleeves the periphery of the waist of the upper joint; the waist of the upper joint is symmetrically provided with two injection ports along the diameter direction; the outer end of each injection port is fixedly connected to the cylinder through an injection head; an upper bearing and a lower bearing are arranged between the inner wall of the cylinder and the periphery of the waist of the upper joint; an inner ring of the upper bearing and an inner ring of the lower bearing sleeve the periphery of the upper joint; an upper end cover and a lower end cover are respectively mounted at the upper end port and the lower end port of the cylinder; and the lower end port of the upper joint is connected to a diverter in a sleeving manner. The top driving cement head is simple in structure and high in adaptability, and works reliably.
Description
Technical field
The invention belongs to petroleum machinery equipment technical field, for oil gas well cementing operation operation, be specifically related to a kind of top drive cementing head.
Background technology
At present main in oil and gas development use fixed, semi-submersible type and floating type offshore boring island at sea.And existing cementing head has, and rotary space is large, tensile strength is low, bearing torque ability is weak, can only throw in single kind plug (drilling rod plug or sleeve pipe plug etc.), setting ball cannot be thrown, operation process needs the inferior positions such as termination of pumping, exploitation of offshore oil and gas needs cannot be adapted to, also cannot be completely satisfied to land deep & ultra-deep well demand.Increasing pressure of simultaneously cementing the well is high, and conventional cementing needs operator's closely operation, not only bears operations involving high pressure risk, and bears high-altitude junk strike risk, and in operation process, have falling from high altitude risk.
Summary of the invention
Object of the present invention provides a kind of top drive cementing head, solves cementing head specification of the prior art many, and applicability is not strong, the problem that integration capability is low.
The technical solution used in the present invention is, a kind of top drive cementing head, comprise from top to bottom connect successively rotation assembly, at least one top cement plug release assembly, indicator assembly, each assembly is tightly connected by coupling assembling successively,
The structure of described rotation assembly is, comprise the top connection having central through hole, top connection waist periphery is set with cylindrical shell, top connection waist diametrically symmetry have two inlets, the outer end of two inlets is respectively to being connected to injection head A and injection head B, and injection head A is fixedly connected with cylindrical shell respectively with injection head B; Upper bearing (metal), retainer nut A, sealing ring B, sealing ring A, retainer nut B, lower bearing is disposed with from top to bottom between cylinder inboard wall and top connection waist periphery; Upper bearing (metal) and lower bearing inner ring are all sleeved on top connection periphery; The upper and lower port of cylindrical shell is separately installed with upper end cover and bottom end cover; The lower port of top connection is set with current divider and is connected.
Top drive cementing head of the present invention, is further characterized in that:
The structure of top cement plug release assembly is, comprise main body A, main body A is a revolving body having centre bore and eccentric orfice, in the middle part of main body A, radial direction is provided with rotary valve A, the two ends sealing surface of rotary valve A is separately installed with joint ring B, joint ring A, the outer end of joint ring B is provided with plug A, and plug A is fixed in main body A, and the plug side of rotary valve A is provided with crossover sub A.
The structure of indicator assembly comprises lower contact, and lower contact cylindrical has mounting groove, and be provided with pitching plug in this mounting groove bottom radial direction through hole, pitching plug is fixed in lower contact, and mounting groove top is provided with indicator.
The structure of coupling assembling is, the top connection lower port rotating assembly is connected by six connecting key A with the main body A upper port that top cement plug discharges assembly, six connecting key A internal circular surfaces and top connection and main body A cylindrical is supporting engages, six connecting key A outsides are set with clip A and clip B jointly.
When main body A is docked with top connection, the end face B of main body A and the end face A of top connection fits, and the seal groove of main body A coordinates with the sealing surface of top connection and is socketed, and the groove surface B of main body A aligns at axial direction with the groove surface A of top connection.
The lower end of top connection is provided with multiple annular groove, and connecting key A inner surface is provided with multiple annular boss from top to bottom, on the upper and lower end face of connecting key A axis, is respectively arranged with a boss face A and boss face B.
The inner surface of clip A is provided with circular cone C, six through hole A have been uniformly distributed circumferentially in clip A one end, circular cone A and conical surface B is respectively arranged with, circular cone A or circular cone B and circular cone C fitting face each other at the upper and lower crossover position of connecting key A external surface;
Or have one section of circular cone E on the inner surface of clip G, extend a boss in the radial direction of lower end, boss is circumferentially evenly equipped with six through hole B, conical surface A or the conical surface B of conical surface E and connecting key A coordinate.
The invention has the beneficial effects as follows, adopt top-drive device or sleeve pipe running tool etc. drive the present invention rotate, through indicator assembly by dynamic changes process to tubing string; Connect transmitting torque by key, the ring-shaped groove of the inner surface of key transmits Tensile or Compressive Loading, and centre bore coordinates rotary valve to form inner flow passage to combine with eccentric orfice; Use wireless signal transmission techniques to carry out operated from a distance control, control system required drive is provided by the portable accumulator be fixed on up/down plug release assembly.The present invention only need be connected can use with top-drive device and bottom tubing string by operation process, avoids climb wiring and operational risk.Can according to actual needs, increase and decrease up/down plug release assembly quantity.Remote controlled plug release, also can throw in setting ball etc. by hand.In addition, can bear high moment of torsion, hook carries, only need an a kind of specification can meet most job requirements, compared with driving rotary cement head with ordinary turntable, have bearing torque ability high, hook carries greatly, operation process not only rotatable tubing string and also can on put and put tubing string.
Accompanying drawing explanation
Fig. 1 is the general structure schematic diagram of apparatus of the present invention;
Fig. 2 is the half sectional view of apparatus of the present invention;
Fig. 3 is the partial exploded view of apparatus of the present invention quick access device;
Fig. 4 is the partial schematic diagram of the female end joint of apparatus of the present invention quick access device;
Fig. 5 is the partial schematic diagram of the male end joint of apparatus of the present invention quick access device;
Fig. 6 is the connecting key of apparatus of the present invention quick access device;
Fig. 7 is the clip of apparatus of the present invention quick access device;
Fig. 8 is that figure is partly cutd open in apparatus of the present invention quick access device local;
Fig. 9 is that the second clip of apparatus of the present invention quick access device partly cuts open figure;
Figure 10 is that the partial assembled of apparatus of the present invention quick access device partly cuts open figure;
Figure 11 is the schematic diagram that apparatus of the present invention reduce that module pre-installs a plug;
Figure 12 is the schematic diagram that apparatus of the present invention increase that module pre-installs three plugs.
In figure, 10. rotate assembly, 20. top cement plug release assemblies, 30. bottom plug release assemblies, 40. indicator assemblies, 50. plug A, 60. plug B, 70. plug C, 80. plug D;
11. arrow A, 22. arrow B, 33. arrow C, 44. arrow D, 55. arrow E;
101. top connections, 102. upper end covers, 103. locking nuts, 104. upper bearing (metal)s, 105. retainer nut A, 106. injection head A, 107. cylindrical shells, 108. lower bearings, 109. diversion sleeves, 110. bottom end covers, 111. retainer nut B, 112. sealing ring A, 113. injection head B, 114. sealing ring B, 115. sealing surfaces, 116. end face A, 117. annular groove A, 118. keyway face A, 119. screwed hole A;
201. main body A, 202. rotary valve A, 203. joint ring A, 204. plug A, 205. crossover sub A, 206. joint ring B, 207. seal grooves, 208. end face B, 209. annular groove B, 210. keyway face B, 211. screwed hole B;
301. main body B, 302. rotary valve B, 303. joint ring C, 304. plugs alive, 305. plug B, 306. crossover sub B, 307. joint ring D;
401. indicators, 402. pitching plugs, 403. lower contacts;
501. clip A, 502. connecting key A, 503. clip B, 504. annular boss, 505. boss face A, 506. boss face B, 507. conical surface A, 508. conical surface B, 509. conical surface C, 510. through hole A, 511. conical surface E, 512. through hole B, 513. clip G;
601. clip C, 602. connecting key B, 603. clip D;
701. clip E, 702. connecting key C, 703. clip F.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail.
With reference to Fig. 1, the overall structure of apparatus of the present invention is, comprise from top to bottom connect successively rotation assembly 10, top cement plug release assembly 20, bottom plug release assembly 30, indicator assembly 40, each assembly is connected and sealed by coupling assembling successively; In addition, also comprise cylinder and accumulator (not showing in Fig. 1), cylinder is for rotating the rotary valve A202 in top cement plug release the assembly 20 and rotary valve B302 in bottom plug release assembly 30, and accumulator is used for providing power (gases at high pressure) to cylinder.
With reference to Fig. 2, the structure rotating assembly 10 is, comprise the top connection 101 having central through hole, using top connection 101 as revolving body main shaft, top connection 101 waist periphery is set with cylindrical shell 107, top connection 101 waist diametrically symmetry have two inlets (being called inlet A and inlet B), the outer end of two inlets is respectively to being connected to injection head A106 and injection head B113, and injection head A106 is fixedly connected with cylindrical shell 107 (not showing bolt in figure) respectively by bolt with injection head B113; Be disposed with upper bearing (metal) 104, retainer nut A105, sealing ring B114, sealing ring A112, retainer nut B111, lower bearing 108 between cylindrical shell 107 inwall and top connection 101 waist periphery from top to bottom, retainer nut A105 wherein, sealing ring B114, sealing ring A112, retainer nut B111 are called seal assembly together; Upper bearing (metal) 104 and lower bearing 108 inner ring are all sleeved on top connection 101 periphery, are locked in top connection 101 respectively by a locking nut 103; The upper and lower port of cylindrical shell 107 is separately installed with upper end cover 102 and bottom end cover 110 by bolt; The lower port of top connection 101 is set with current divider 109 and is connected.
The structure of top cement plug release assembly 20 is, comprise main body A 201, main body A 201 is a revolving body having centre bore and eccentric orfice, in the middle part of main body A 201, radial direction is provided with rotary valve A202, the two ends sealing surface of rotary valve A202 is (see the left side in Fig. 2, right side) be separately installed with joint ring B206, joint ring A203 (three is called top cement plug rotary valve assembly together), the outer end of joint ring B206 is provided with plug A204, plug A204 is fixed in main body A 201 by screw thread, make joint ring B206 compacted, plug 204 side of rotary valve A202 is provided with crossover sub A205, crossover sub A205 is used to (not the showing outside cylinder in figure) that be connected with outer inside casing.
The structure of bottom plug release assembly 30 is, consistent with the structure that top cement plug discharges assembly 20, comprise main body B301, main body B301 is also a revolving body having centre bore and eccentric orfice, in the middle part of main body B301, radial direction is provided with rotary valve B302, the two ends sealing surface of rotary valve B302 is (see the left side in Fig. 2, right side) be separately installed with joint ring D307, joint ring C303 (three is called bottom plug rotary valve assembly together), the outer end of joint ring D307 is provided with plug B305, plug B305 is fixed in main body B301 by screw thread, make joint ring D307 compacted, the plug B305 side of rotary valve B302 is provided with crossover sub B306, crossover sub B306 is used to (not the showing outer inside casing in figure) that be connected with outer inside casing, in main body B301, also parallel centre bore has eccentric orfice, and eccentric orfice bottom is provided with plug 304 alive, and plug 304 of living is used for blocking one section of eccentric orfice of main body B301, makes the eccentric orfice processability of main body B301 better.After bottom plug rotary valve assembly loads main body B301, then work plug 304 is loaded main body B301, finally complete the assembling of miscellaneous part.
The structure of indicator assembly 40 is, comprise lower contact 403, lower contact 403 cylindrical has mounting groove, is provided with pitching plug 402 in this mounting groove bottom radial direction through hole, pitching plug 402 is threaded connection and is fixed in lower contact 403, and mounting groove top is provided with indicator 401.The major function of indicator 401 be exactly plug by time, indicated by machinery or sound, optical signal instruction, plug passes through runner to allow operator know.The principle of indicator 401 is the plectrums arranging a similar clack valve in runner, this plectrum can half-twist, plug rotates 90 ° by promoting plectrum during runner, has the plectrum that synchronous with inner flow passage plectrum in lower contact 403 outside, the rotational action of inside is delivered to outside next.Other sound, optical signal also must have such mechanism to carry out settling signal conversion.
With reference to Fig. 2, Fig. 3, the structure of coupling assembling is, top connection 101 lower port rotating assembly 10 is connected by six connecting key A502 with main body A 201 upper port that top cement plug discharges assembly 20, six connecting key A502 internal circular surfaces and top connection 101 and main body A 201 cylindrical is supporting engages, six connecting key A502 outsides are set with clip A501 and clip B503 jointly, and clip A501 and clip B503 fixes with top connection 101, main body A 201 respectively respectively by holding screw.Same structural principle, top cement plug release assembly 20 and bottom plug discharges and to pass through between assembly 30 that six connecting key B602, clip C601 and clip D603 are corresponding to be connected; Bottom plug release assembly 30 and indicator assembly 40 are also be connected with clip F703 correspondence by six connecting key C702, clip E701.
With reference to Fig. 4, Fig. 5, when main body A 201 is docked with top connection 101, the end face B208 of the main body A 201 and end face A116 of top connection 101 fits, the seal groove 207 of main body A 201 coordinates with the sealing surface 115 of top connection 101 and is socketed (not showing sealing ring in figure), a screwed hole B211 is had between the adjacent grooves face B210 of main body A 201, the groove surface B210 of main body A 201 aligns at axial direction with the groove surface A118 of top connection 101, is convenient to install corresponding connecting key.
The lower end of top connection 101 is provided with multiple annular groove (embodiment is 4 annular grooves, and diagram annular groove quantity and cross sectional shape are only a kind of to be shown), also can arrange groove and the section form of other quantity as required; Radially being evenly distributed with six square grooves at the axial direction of annular groove, in the middle of each square groove, being circumferentially evenly equipped with a screwed hole A119, for installing holding screw.All the same with the lower end structure of top connection 101 with the structure that connecting key A502 matches in each main body.
As Fig. 6, connecting key A502 inner surface is provided with multiple annular boss 504 from top to bottom, and (embodiment is 8 annular boss 504, diagram annular boss quantity and cross sectional shape are only a kind of to be shown), also can there be annular boss and the section form of other quantity; On the upper and lower end face of connecting key A502 axis, be respectively arranged with a boss face A505 and boss face B506;
As Fig. 7, the inner surface of clip A501 is provided with circular cone C509, be uniformly distributed circumferentially six through hole A510 in clip A501 one end, the installation for holding screw is fixed, realize with the screwed hole in top connection 101 or each main body with the use of.
As Fig. 8, circular cone A507 and conical surface B508 is respectively arranged with at the upper and lower crossover position of connecting key A502 external surface, circular cone A507 or circular cone B508 and circular cone C509 fitting face each other, realize the close contact of connecting key A502 and clip A501 or clip B503.
The explanation connected up and down between each assembly is carried out below according to the embodiment price in Fig. 3-Fig. 8, the annular boss 504 of six connecting key A502 is bumped into simultaneously in the annular groove B209 of the annular groove A117 of top connection 101, main body A 201, carry out engagement fit, bear axial tension; Boss face A505 and keyway face A118, boss face B506 and keyway face B210 are fitted, ensures the keyway at several the complete sunk key groove face A118 places adjacent with boss face A505 simultaneously, and coordinate with corresponding face and be adjacent to.Equally, boss face B506 place boss and B210 place, keyway face keyway also closely cooperate.Other 5 connecting keys are also carried out same connection.When connecting key A502 bears moment of torsion, the boss face A505 and the boss face B506 that embed groove can common transmitting torques.For preventing each connecting key A502 from coming off under stressing conditions, in its outer cover, clip A501 and B503 being housed, and being fixed by screwed hole A119, screwed hole B211 with holding screw, making it mutually can not slide in circumference.
With reference to figure 9, Figure 10, Figure 9 shows that another kind of form clip G513, inner surface there is one section of circular cone E511, a boss is extended in the radial direction of lower end, boss is circumferentially evenly equipped with six through hole B512, conical surface A507 or the conical surface B508 of conical surface E511 and connecting key A502 coordinate, and the through hole B512 of upper and lower two clip G513 is aligned between two, it is firm to be joined with bolts, and saves the setting of holding screw and screwed hole thereof.Each clip limits the radial displacement of the external surface of place connecting key.And fixed by holding screw and main body, or by bolt and another clamp connection.Each clip wraps with the boss rotating assembly, up/down plug discharges the connecting key that the keyway on assembly and indicator assembly coordinates in the axial direction completely completely, does not make it expose.
In the course of the work, by controlling the rotation of rotary valve A202, rotary valve B302, by the rotatable engagement of out of phase, realizing opening and closedown of central passage, thus the release of plug can be realized.
Each connecting key and rotation assembly, up/down plug discharge assembly, indicator assembly is all coaxial; Connecting key profile with rotate after assembly, up/down plug discharge assembly, the profile of indicator assembly cooperatively interacts, form a complete surface of revolution.Each connecting key transmits simultaneously and rotates assembly and up/down plug discharges assembly, up/down plug discharges drawing between assembly and indicator assembly/compressive load and torsion load.Comprise and rotate assembly, the release of up/down plug assembly, indicator assembly and connecting key, all assembly profiles and connecting key profile at least have an annular groove, and embodiment is each four eight annular grooves altogether up and down.Comprise and rotate assembly, the release of up/down plug assembly, indicator assembly and connecting key, all assembly profiles and connecting key profile at least have an annular boss.
Rotate the exterior contour that assembly lower end has annular groove and square groove, up/down plug release assembly two ends all have the exterior contour of annular groove and square groove, the upper end of indicator assembly also has the exterior contour of annular groove and square groove, connecting key has the exterior contour of annular boss and end face square boss, and connecting key profile is with rotation assembly profile, up/down plug discharges assembly profile, indicator assembly profile is worked in coordination.
Apparatus of the present invention can pre-install a plug, two plugs or multiple plug (comprising drilling rod plug, sleeve pipe plug etc.).The quantity of the assembly of changeable plug release according to actual needs, if Figure 11 is the vibrational power flow of a plug, is the vibrational power flow of three plugs as shown in figure 12, comprises plug B60, plug C70, plug D80.
The present invention has multiple fluid intake, both can inject fluid by top connection 101, also injects fluid by injection head A106, injection head B113, and final all fluids all enter tubing string from the axle center hole of lower contact 403.
The course of work of apparatus of the present invention is as follows:
1) in advance plug is installed: guarantee that central bore passage is closed by rotary valve B302, by rotary valve A202 around its central axis turn 90 degree, central bore passage is made to be in open mode, plug C70 is pressed into central bore passage by top connection 101, plug C70 is contacted with rotary valve B302, rotate rotary valve A202 and make its closing center's hole path, plug B60 is pressed into central bore passage by top connection 101, makes plug B60 contact (installation site of upper bottom plug is with reference to Figure 11 and Figure 12) with rotary valve B302.
2) by apparatus of the present invention upwards with power end (top-drive device, sleeve pipe feeder or rotating disk etc.), downwards and fluid feed line connect.
3) circulation of fluid: when fluid enters from top connection 101, plug B60 gets lodged in rotary valve B302, and fluid circulation route flows along arrow A 11, arrow B 22, arrow C 33, arrow D44, arrow E 55, enters lower linking tube post from lower contact 403.When fluid flows into from injection head A106 or injection head B113, fluid also completes circulation by same paths.
4) plug or setting ball is discharged: when needs release plug or setting ball, by Remote Device Control rotary valve A202 or B302, make around respective gyroaxis half-twist, the plug controlled just is released.When setting ball thrown in by needs, take pitching plug 402 apart and can put into setting ball by hand, then install pitching plug 402.
Device of the present invention, driving arrangement or top can be driven with top to drive casing appliances etc. and support the use, there is transmitting large torque, bear the feature of large load, Long-distance Control, modularized design, have and can throw in plug, setting ball, rotation simultaneously can on put and put, can be used for the advantage such as general casing cementing and rotary tail well cementation; Not only can be used for marine well cementing operation, also can be used for land deep & ultra-deep well extended horizontal well well cementing operation; Not only achieve sleeve pipe tail pipe smooth under enter, also save drilling time, improve cementing quality.
Claims (7)
1. a top drive cementing head, it is characterized in that: comprise the rotation assembly (10), at least one top cement plug release assembly (20), the indicator assembly (40) that connect successively from top to bottom, each assembly is tightly connected by coupling assembling successively
The structure of described rotation assembly (10) is, comprise the top connection (101) having central through hole, top connection (101) waist periphery is set with cylindrical shell (107), top connection (101) waist diametrically symmetry have two inlets, the outer end of two inlets is respectively to being connected to injection head A (106) and injection head B (113), injection head A (106) are fixedly connected with cylindrical shell (107) respectively with injection head B (113); Upper bearing (metal) (104), retainer nut A (105), sealing ring B (114), sealing ring A (112), retainer nut B (111), lower bearing (108) is disposed with from top to bottom between cylindrical shell (107) inwall and top connection (101) waist periphery; Upper bearing (metal) (104) and lower bearing (108) inner ring are all sleeved on top connection (101) periphery; The upper and lower port of cylindrical shell (107) is separately installed with upper end cover (102) and bottom end cover (110); The lower port of top connection (101) is set with current divider (109) and is connected.
2. top drive cementing head according to claim 1, it is characterized in that: the structure of described top cement plug release assembly (20) is, comprise main body A (201), main body A (201) is a revolving body having centre bore and eccentric orfice, at main body A (201) middle part, radial direction is provided with rotary valve A (202), the two ends sealing surface of rotary valve A (202) is separately installed with joint ring B (206), joint ring A (203), the outer end of joint ring B (206) is provided with plug A (204), plug A (204) is fixed in main body A (201), plug (204) side of rotary valve A (202) is provided with crossover sub A (205).
3. top drive cementing head according to claim 1, it is characterized in that: the structure of described indicator assembly (40) is, comprise lower contact (403), lower contact (403) cylindrical has mounting groove, pitching plug (402) is provided with in this mounting groove bottom radial direction through hole, pitching plug (402) is fixed in lower contact (403), and mounting groove top is provided with indicator (401).
4. top drive cementing head according to claim 1, it is characterized in that: the structure of described coupling assembling is, top connection (101) lower port rotating assembly (10) is connected by six connecting key A (502) with main body A (201) upper port that top cement plug discharges assembly (20), six connecting key A (502) internal circular surfaces and top connection (101) and main body A (201) cylindrical is supporting engages, six connecting key A (502) outsides are set with clip A (501) and clip B (503) jointly.
5. top drive cementing head according to claim 4, it is characterized in that: when described main body A (201) is docked with top connection (101), the end face B (208) of main body A (201) and the end face A (116) of top connection (101) fit, the seal groove (207) of main body A (201) coordinates with the sealing surface (115) of top connection (101) and is socketed, and the groove surface B (210) of main body A (201) aligns at axial direction with the groove surface A (118) of top connection (101).
6. top drive cementing head according to claim 4, it is characterized in that: the lower end of described top connection (101) is provided with multiple annular groove, connecting key A (502) inner surface is provided with multiple annular boss (504) from top to bottom, on the upper and lower end face that connecting key A (502) is axial, be respectively arranged with a boss face A (505) and boss face B (506).
7. top drive cementing head according to claim 4, it is characterized in that: the inner surface of described clip A (501) is provided with circular cone C (509), six through hole A (510) have been uniformly distributed circumferentially in clip A (501) one end, circular cone A (507) and conical surface B (508), circular cone A (507) or circular cone B (508) and circular cone C (509) fitting face is each other respectively arranged with at the upper and lower crossover position of connecting key A (502) external surface;
Or, the inner surface of clip G (513) has one section of circular cone E (511), a boss is extended in the radial direction of lower end, boss is circumferentially evenly equipped with six through hole B (512), conical surface A (507) or the conical surface B (508) of conical surface E (511) and connecting key A (502) coordinate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510697483.XA CN105298439B (en) | 2015-10-23 | 2015-10-23 | A kind of top drive cementing head |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510697483.XA CN105298439B (en) | 2015-10-23 | 2015-10-23 | A kind of top drive cementing head |
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| Publication Number | Publication Date |
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| CN105298439A true CN105298439A (en) | 2016-02-03 |
| CN105298439B CN105298439B (en) | 2018-04-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510697483.XA Active CN105298439B (en) | 2015-10-23 | 2015-10-23 | A kind of top drive cementing head |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111827921A (en) * | 2020-07-16 | 2020-10-27 | 西南石油大学 | Seabed shallow layer natural gas hydrate exploitation and double-pump lifting device |
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|---|---|---|---|---|
| CN2547861Y (en) * | 2002-04-29 | 2003-04-30 | 华丽缘 | Cement head connecting apparatus of riser fast connection |
| US20100101792A1 (en) * | 2008-10-29 | 2010-04-29 | Halliburton Energy Services, Inc. | Cement head |
| US20130056977A1 (en) * | 2011-09-02 | 2013-03-07 | Kris Henderson | Connection Assembly for Tubular Goods |
| CN204186347U (en) * | 2014-10-15 | 2015-03-04 | 中国石油集团西部钻探工程有限公司 | Convenient-opening formula instruction cementing head |
| CN104929569A (en) * | 2015-05-19 | 2015-09-23 | 扬州市驰城石油机械有限公司 | Wireless remote-control automatic-control rotary cement head |
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2015
- 2015-10-23 CN CN201510697483.XA patent/CN105298439B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2547861Y (en) * | 2002-04-29 | 2003-04-30 | 华丽缘 | Cement head connecting apparatus of riser fast connection |
| US20100101792A1 (en) * | 2008-10-29 | 2010-04-29 | Halliburton Energy Services, Inc. | Cement head |
| US20130056977A1 (en) * | 2011-09-02 | 2013-03-07 | Kris Henderson | Connection Assembly for Tubular Goods |
| CN204186347U (en) * | 2014-10-15 | 2015-03-04 | 中国石油集团西部钻探工程有限公司 | Convenient-opening formula instruction cementing head |
| CN104929569A (en) * | 2015-05-19 | 2015-09-23 | 扬州市驰城石油机械有限公司 | Wireless remote-control automatic-control rotary cement head |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111827921A (en) * | 2020-07-16 | 2020-10-27 | 西南石油大学 | Seabed shallow layer natural gas hydrate exploitation and double-pump lifting device |
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| Publication number | Publication date |
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| CN105298439B (en) | 2018-04-27 |
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