CN105507835A - Gas-lift inverse circulation rotary joint - Google Patents
Gas-lift inverse circulation rotary joint Download PDFInfo
- Publication number
- CN105507835A CN105507835A CN201610035693.7A CN201610035693A CN105507835A CN 105507835 A CN105507835 A CN 105507835A CN 201610035693 A CN201610035693 A CN 201610035693A CN 105507835 A CN105507835 A CN 105507835A
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- China
- Prior art keywords
- core pipe
- pipe
- ring
- main mandrel
- joint
- Prior art date
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- Granted
Links
- 210000004907 gland Anatomy 0.000 claims description 13
- 125000006850 spacer group Chemical group 0.000 claims description 11
- 238000007789 sealing Methods 0.000 claims description 7
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 238000005553 drilling Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 238000013467 fragmentation Methods 0.000 description 2
- 238000006062 fragmentation reaction Methods 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 238000009527 percussion Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
- E21B21/16—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor using gaseous fluids
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
- Joints Allowing Movement (AREA)
Abstract
The invention relates to a gas-lift inverse circulation rotary joint. A core pipe is installed in a gyrator and is connected with the gyrator through a spline. The lower end of the core pipe is connected into an outer pipe joint in an inserted mode and is connected with the outer pipe joint through a spline. The two ends of a check ring are connected with the outer pipe joint and the core pipe in a sealed and inserted mode. The upper end of the core pipe is connected with a main mandrel in a sealed mode, the main mandrel is sleeved with an air inlet faucet, the air inlet faucet and the main mandrel are connected with the core pipe through a rotary connection assembly, and the air inlet faucet can freely rotate on the main mandrel. An inner pipe is arranged in inner holes of the check ring, the core pipe and the main mandrel, the lower end of the inner pipe is connected with an inner pipe joint, and the upper end of the inner pipe is connected with a fixing sleeve. An axial communication gap is reserved among the outer wall of the inner pipe joint, the outer wall of the inner pipe, the inner wall of the check ring, the inner wall of the core pipe and the inner wall of the main mandrel, and the gap is communicated with an air inlet joint of the air inlet faucet. A small core pipe and the fixing sleeve are fixedly connected to the main mandrel, and the lower end of an exhaust faucet is arranged at the upper end of the small core pipe in a sleeving mode and is fixedly connected with the air inlet faucet. The gas-lift inverse circulation rotary joint is convenient to use, high in work efficiency and high in safety.
Description
Technical field
The present invention relates to a kind of gas lift reverse circulation swivel joint, its for will be scattered in pneumatic down-hole hammer impact process sand, soil, landwaste sucking-off from hole, prevent datum hole to be plugged, belong to the construction tool technical field in ground-based device.
Background technology
At present, Drilling Technology of Airdriven DTH Hammer groundwork process is all slip at the bottom of hole by tup and the air hammer that can produce percussion, impactor is that power constantly produces impact force and frequency of impact directly passes to tup with compressed air, and driven by the revolution of rig, form the fragmentation to rock, the gas that impactor is discharged can discharge landwaste, thus realizes rotary-percussive drilling overall process.And running into the bad ground such as fragmentation, cranny development due to direct circulation pneumatic down-hole hammer, especially bore when meeting goaf, gas is difficult to be formed circulation, easily occurs bury drills, the drilling accidents such as bit freezing.Therefore need to design a kind of reacting cycle pneumatic down-hole hammer, to address these problems.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, provide a kind of gas lift reverse circulation swivel joint, its delicate structure, reasonable in design, easy to use, operating efficiency is high, and security performance is high.
According to technical scheme provided by the invention: a kind of gas lift reverse circulation swivel joint, is characterized in that: comprise inner pipe joint, outer tube joint, interior pipe, back-up ring, core pipe, gyrator, feed cock body, main mandrel, bend pipe, exhaust faucet, little core pipe and fixed cover; Described core pipe is contained in gyrator, between gyrator and core pipe by spline joint to realize rotary drive; Described core pipe lower end to be plugged in outer tube joint and to connect by being fixedly connected with assembly, between outer tube joint and core pipe by spline joint to realize rotary drive; Described back-up ring is arranged between outer tube joint and core pipe, and the sealing of back-up ring lower end is plugged in outer tube joint endoporus, and the sealing of back-up ring upper end is plugged in the endoporus of core pipe upper end; Described core pipe upper end is tightly connected main mandrel, described feed cock body is enclosed within main mandrel, feed cock body is connected with described core pipe by a set of spin connection component with main mandrel, feed cock body can rotate freely at main mandrel, and the gap v-ring assembly between feed cock body and main mandrel seals; Described interior pipe is arranged in the endoporus of back-up ring, core pipe and main mandrel, interior pipe lower end is tightly connected inner pipe joint, interior pipe upper end is sealedly connected and fixed cover, the outer wall of described inner pipe joint and interior pipe with outer tube joint, back-up ring, leave the space be axially communicated with between core pipe and the inwall of main mandrel, and have channel connection between the inlet suction port of this space and feed cock body; Described little core pipe is arranged on above fixed cover, and little core pipe lower end and fixed cover upper end offset, and little core pipe and fixed cover are fixedly connected on main mandrel by the 4th screw; Described exhaust faucet lower end is sleeved on little core pipe upper end, seals between exhaust faucet and little core pipe with v-ring, and exhaust faucet and feed cock body are fastenedly connected.
As a further improvement on the present invention, be fixedly connected with assembly described in and comprise stay bolt, rubber spring, the first collar, intermediate sleeve, card key and rear pressing cover; Described first collar is installed in the groove on core tube wall, first collar both sides are pushed down by card key respectively, the card key of both sides is outside equipped with and props up card key and carry out spacing rubber spring, and described rubber spring, the first collar and card key are all assemblied in the endoporus of intermediate sleeve; Described stay bolt is threaded with rear pressing cover after passing the through hole of outer tube joint and intermediate sleeve.
As a further improvement on the present invention, between described back-up ring lower end and outer tube joint, be provided with O shape between back-up ring upper end and core pipe to enclose.
As a further improvement on the present invention, the part that described core pipe is positioned at gyrator is set with spring, and described spring one end connects core pipe, and the other end connects gyrator.
As a further improvement on the present invention, described spin connection component comprises the first screw, lower ball cover, bearing holder (housing, cover), axle sleeve, the second screw, bearing, the second collar, upper ball cover, drill holder, the 3rd screw, gland, the first nut and the first bolt; Described second collar is installed in the groove on core tube wall, pushes down on the downside of the second collar with axle sleeve, pushes down, be connected between described axle sleeve with main mandrel by the second screw on the upside of the second collar with main mandrel; Two bearings are arranged side by side and are enclosed within axle sleeve outer peripheral face, two bearings are all contained in bearing holder (housing, cover), the downside lower ball cover of two bearings seals, and the upside upper ball cover of two bearings seals, and lower ball cover and upper ball cover are connected to bearing holder (housing, cover) both sides with the first screw respectively; Described drill holder is enclosed within main mandrel, and drill holder upper end props up upper ball cover; Described feed cock body is enclosed within drill holder, and feed cock body lower end the 3rd screw is connected with upper ball cover; Described v-ring assembly is arranged in the gap between feed cock body and main mandrel, v-ring assembly lower end and drill holder upper end offset, v-ring assembly upper end is sealed by gland, described gland is enclosed within main mandrel, and gland is fastenedly connected by the securing member that is made up of the first bolt and the first nut and feed cock body upper end.
As a further improvement on the present invention, described feed cock body inwall is provided with the first annular air channel be communicated with inlet suction port the inner, on described main mandrel outer wall, the position of corresponding first annular air channel is provided with the second annular air channel, is provided with radial direction through hole bottom the second annular air channel; Described v-ring assembly comprises v-ring and spacer ring, fill out respectively between described feed cock body two ends and main mandrel two ends and establish one group of v-ring, separated by spacer ring between two groups of v-rings, on described spacer ring, the position of corresponding first annular air channel and the second annular air channel is provided with radial direction through hole.
As a further improvement on the present invention, described exhaust faucet upper end is connected with bend pipe by the securing member be made up of the second bolt and the second nut.
As a further improvement on the present invention, described exhaust faucet upper end is connected with bend pipe.
As a further improvement on the present invention, described bend pipe is connected on exhaust faucet by the securing member be made up of the second bolt and the second nut, and the kink lateral surface of bend pipe is provided with opening, and this opening part is equipped with and is provided with pipe lid with bolt.
the present invention compared with prior art, has the following advantages:
(1), delicate structure of the present invention, reasonable in design, easy to use, deslagging cross section is little, not by the restriction in aperture.
(2) the present invention returns wind speed high, deslagging is clean.
(3), the present invention do not repeat detritus, and it is high to creep into operating efficiency, and bit life is long, thus has saved wind supply quantity, decreases power consumption and number of devices.
(4) the present invention effectively can also solve the harm of dust to environment and personnel equipment, and security performance is high.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the present invention.
Fig. 2 is the structural representation of Fig. 1 core pipe.
Fig. 3 is the A-A sectional view in Fig. 2.
Fig. 4 is the B-B sectional view in Fig. 2.
Fig. 5 is the structural representation of main mandrel in Fig. 1.
Fig. 6 is the left view of Fig. 5.
Detailed description of the invention
Below in conjunction with concrete drawings and Examples, the invention will be further described.
As shown in the figure: the gas lift reverse circulation swivel joint in embodiment is primarily of inner pipe joint 1, outer tube joint 2, interior pipe 3, back-up ring 4, core pipe 5, stay bolt 6, rubber spring 7, first collar 8, intermediate sleeve 9, card key 10, rear pressing cover 11, gyrator 12, spring 13, first screw 14, lower ball cover 15, bearing holder (housing, cover) 16, axle sleeve 17, second screw 18, bearing 19, second collar 20, upper ball cover 21, drill holder 22, 3rd screw 23, feed cock body 24, main mandrel 25, gland 26, first nut 27, first bolt 28, 4th screw 29, bend pipe 30, pipe lid 31, second nut 32, second bolt 33, exhaust faucet 34, little core pipe 35, 3rd bolt 36, 3rd nut 37, fixed cover 38, v-ring 39 and spacer ring 40 form.
As shown in Fig. 1 ~ Fig. 6, described core pipe 5 is contained in gyrator 12, between gyrator 12 and core pipe 5 by spline joint to realize rotary drive; Described core pipe 5 lower end to be plugged in outer tube joint 2 and to connect by being fixedly connected with assembly, realizes the axial location of outer tube joint 2 on core pipe 5, between outer tube joint 2 and core pipe 5 by spline joint to realize rotary drive; Described back-up ring 4 is arranged between outer tube joint 2 and core pipe 5, and the sealing of back-up ring 4 lower end is plugged in outer tube joint 2 endoporus, and the sealing of back-up ring 4 upper end is plugged in the endoporus of core pipe 5 upper end; Described core pipe 5 upper end is tightly connected main mandrel 25, described feed cock body 24 is enclosed within main mandrel 25, feed cock body 24 is connected with described core pipe 5 by a set of spin connection component with main mandrel 25, feed cock body 24 can rotate freely at main mandrel 25, and gap v-ring 39 assembly between feed cock body 24 and main mandrel 25 seals; Described interior pipe 3 is arranged in the endoporus of back-up ring 4, core pipe 5 and main mandrel 25, interior pipe 3 lower end is threaded connection inner pipe joint 1, interior pipe 3 upper end is threaded connection fixed cover 38, the outer wall of described inner pipe joint 1 and interior pipe 3 with outer tube joint 2, back-up ring 4, leave the space be axially communicated with between core pipe 5 and the inwall of main mandrel 25, and have channel connection between the inlet suction port of this space and feed cock body 24; Described little core pipe 35 is arranged on above fixed cover 38, and little core pipe 35 lower end and fixed cover 38 upper end offset, and little core pipe 35 and fixed cover 38 are fixedly connected on main mandrel 25 by the 4th screw 29; Described exhaust faucet 34 lower end is sleeved on little core pipe 35 upper end, seal with v-ring 39 between exhaust faucet 34 and little core pipe 35, exhaust faucet 34 passes through the securing member that is made up of the 3rd bolt 36 and the 3rd nut 37 and feed cock body 24 is fastenedly connected.
In the embodiment of the present invention, described in be fixedly connected with the structure of assembly as shown in Figure 1, it is primarily of stay bolt 6, rubber spring 7, first collar 8, intermediate sleeve 9, card key 10 and rear pressing cover 11; Described first collar 8 is installed in the groove on core pipe 5 outer wall, first collar 8 both sides are pushed down by card key 10 respectively, the card key 10 of both sides is outside equipped with and props up card key 10 and carry out spacing rubber spring 7, and described rubber spring 7, first collar 8 and card key 10 are all assemblied in the endoporus of intermediate sleeve 9; Be threaded with rear pressing cover 11 after described stay bolt 6 passes the through hole of outer tube joint 2 and intermediate sleeve 9.
As shown in Figure 1, in the embodiment of the present invention, be provided with O shape between described back-up ring 4 lower end and outer tube joint 2, between back-up ring 4 upper end and core pipe 5 and enclose.Sealing performance can be improved like this.The part that described core pipe 5 is positioned at gyrator 12 is set with spring 13, and described spring 13 one end connects core pipe 5, and the other end connects gyrator 12, realizes the axial elasticity location of core pipe 5 in gyrator 12.
In the embodiment of the present invention, as shown in Figure 1, it forms primarily of the first screw 14, lower ball cover 15, bearing holder (housing, cover) 16, axle sleeve 17, second screw 18, bearing 19, second collar 20, upper ball cover 21, drill holder 22, the 3rd screw 23 gland 26, first nut 27 and the first bolt 28 structure of described spin connection component; Described second collar 20 is installed in the groove on core pipe 5 outer wall, pushes down on the downside of the second collar 20 with axle sleeve 17, pushes down, be connected between described axle sleeve 17 with main mandrel 25 by the second screw 18 on the upside of the second collar 20 with main mandrel 25; Two bearings 19 are arranged side by side and are enclosed within axle sleeve 17 outer peripheral face, two bearings 19 are all contained in bearing holder (housing, cover) 16, the downside lower ball cover 15 of two bearings 19 seals, the upside upper ball cover 21 of two bearings 19 seals, and lower ball cover 15 and upper ball cover 21 are connected to bearing holder (housing, cover) 16 both sides with the first screw 14 respectively; Described drill holder 22 is enclosed within main mandrel 25, and drill holder 22 upper end props up upper ball cover 21; Described feed cock body 24 is enclosed within drill holder 22, and feed cock body 24 lower end the 3rd screw 23 is connected with upper ball cover 21; Described v-ring 39 assembly is arranged in the gap between feed cock body 24 and main mandrel 25, v-ring 39 assembly lower end and drill holder 22 upper end offset, v-ring 39 assembly upper end is sealed by gland 26, described gland 26 is enclosed within main mandrel 25, and gland 26 is fastenedly connected by the securing member that is made up of the first bolt 28 and the first nut 27 and feed cock body 24 upper end.
As shown in Fig. 1, Fig. 5, Fig. 6, in the embodiment of the present invention, described feed cock body 24 inwall is provided with the first annular air channel be communicated with inlet suction port the inner, on described main mandrel 25 outer wall, the position of corresponding first annular air channel is provided with the second annular air channel, is provided with radial direction through hole bottom the second annular air channel; Described v-ring 39 assembly comprises v-ring 39 and spacer ring 40, fill out respectively between described feed cock body 24 two ends and main mandrel 25 two ends and establish one group of v-ring 39, separated by spacer ring 40 between two groups of v-rings 39, on described spacer ring 40, the position of corresponding first annular air channel and the second annular air channel is provided with radial direction through hole.
As shown in Figure 1, in the embodiment of the present invention, described exhaust faucet 34 upper end is connected with bend pipe 30 by the securing member be made up of the second bolt 33 and the second nut 32.The kink lateral surface of described bend pipe 30 is provided with opening, and this opening part is equipped with and is provided with pipe lid 31 with bolt.
During embody rule, first pass into compressed air from the inlet suction port of feed cock body 24, compressed air enters into the space between main mandrel 25 and interior pipe 3 by the first annular air channel, the radial direction through hole on spacer ring 40, the second annular air channel on main mandrel 25 and the radial direction through hole on inner feed cock body 24 successively.Because the upper end in this space is sealed, so compressed air, can only finally be transported to reacting cycle pneumatic down-hole hammer along space downwards, down-hole hammer impact, fractured rock.And the landwaste produced when working can under the drive of pressure-air, the inner pipe joint 1 rushing in low pressure is inner, bottom right upwards flows through the central through hole of interior pipe 3, little core pipe 35, fixed cover 38 and bend pipe 30 successively, finally outputs to outside, realizes the process of reverse circulation drilling work thus.
Claims (8)
1. a gas lift reverse circulation swivel joint, is characterized in that: comprise inner pipe joint (1), outer tube joint (2), interior pipe (3), back-up ring (4), core pipe (5), gyrator (12), feed cock body (24), main mandrel (25), bend pipe (30), exhaust faucet (34), little core pipe (35) and fixed cover (38); Described core pipe (5) is contained in gyrator (12), between gyrator (12) and core pipe (5) by spline joint to realize rotary drive; Described core pipe (5) lower end to be plugged in outer tube joint (2) and to connect by being fixedly connected with assembly, between outer tube joint (2) and core pipe (5) by spline joint to realize rotary drive; Described back-up ring (4) is arranged between outer tube joint (2) and core pipe (5), and the sealing of back-up ring (4) lower end is plugged in outer tube joint (2) endoporus, and the sealing of back-up ring (4) upper end is plugged in the endoporus of core pipe (5) upper end; Described core pipe (5) upper end is tightly connected main mandrel (25), described feed cock body (24) is enclosed within main mandrel (25), feed cock body (24) is connected with described core pipe (5) by a set of spin connection component with main mandrel (25), feed cock body (24) can rotate freely in main mandrel (25), and gap v-ring (39) assembly between feed cock body (24) and main mandrel (25) seals; Described interior pipe (3) is arranged in the endoporus of back-up ring (4), core pipe (5) and main mandrel (25), interior pipe (3) lower end is tightly connected inner pipe joint (1), interior pipe (3) upper end is sealedly connected and fixed cover (38), the outer wall of described inner pipe joint (1) and interior pipe (3) with outer tube joint (2), back-up ring (4), leave the space be axially communicated with between core pipe (5) and the inwall of main mandrel (25), and have channel connection between the inlet suction port of this space and feed cock body (24); Described little core pipe (35) is arranged on fixed cover (38) top, and little core pipe (35) lower end and fixed cover (38) upper end offset, and little core pipe (35) and fixed cover (38) are fixedly connected on main mandrel (25) by the 4th screw (29); Described exhaust faucet (34) lower end is sleeved on little core pipe (35) upper end, seals between exhaust faucet (34) and little core pipe (35) with v-ring (39), and exhaust faucet (34) and feed cock body (24) are fastenedly connected.
2. gas lift reverse circulation swivel joint as claimed in claim 1, is characterized in that: described in be fixedly connected with assembly and comprise stay bolt (6), rubber spring (7), the first collar (8), intermediate sleeve (9), card key (10) and rear pressing cover (11); Described first collar (8) is installed in the groove on core pipe (5) outer wall, first collar (8) both sides use card key (10) to push down respectively, the card key (10) of both sides is outside equipped with and props up card key (10) and carry out spacing rubber spring (7), and described rubber spring (7), the first collar (8) and card key (10) are all assemblied in the endoporus of intermediate sleeve (9); Described stay bolt (6) is threaded with rear pressing cover (11) through after the through hole of outer tube joint (2) and intermediate sleeve (9).
3. gas lift reverse circulation swivel joint as claimed in claim 1, is characterized in that: between described back-up ring (4) lower end and outer tube joint (2), be provided with O shape enclose between back-up ring (4) upper end and core pipe (5).
4. gas lift reverse circulation swivel joint as claimed in claim 1, it is characterized in that: the part that described core pipe (5) is positioned at gyrator (12) is set with spring (13), described spring (13) one end connects core pipe (5), and the other end connects gyrator (12).
5. gas lift reverse circulation swivel joint as claimed in claim 1, is characterized in that: described spin connection component comprises the first screw (14), lower ball cover (15), bearing holder (housing, cover) (16), axle sleeve (17), the second screw (18), bearing (19), the second collar (20), upper ball cover (21), drill holder (22), the 3rd screw (23), gland (26), the first nut (27) and the first bolt (28); Described second collar (20) is installed in the groove on core pipe (5) outer wall, second collar (20) downside axle sleeve (17) is pushed down, second collar (20) upside is pushed down with main mandrel (25), is connected between described axle sleeve (17) with main mandrel (25) by the second screw (18); Two bearings (19) are arranged side by side and are enclosed within axle sleeve (17) outer peripheral face, two bearings (19) are all contained in bearing holder (housing, cover) (16), the downside lower ball cover (15) of two bearings (19) seals, the upside upper ball cover (21) of two bearings (19) seals, and lower ball cover (15) and upper ball cover (21) use the first screw (14) to be connected to bearing holder (housing, cover) (16) both sides respectively; Described drill holder (22) is enclosed within main mandrel (25), and drill holder (22) upper end props up upper ball cover (21); Described feed cock body (24) is enclosed within drill holder (22), and feed cock body (24) lower end the 3rd screw (23) is connected with upper ball cover (21); Described v-ring (39) assembly is arranged in the gap between feed cock body (24) and main mandrel (25), v-ring (39) assembly lower end and drill holder (22) upper end offset, v-ring (39) assembly upper end is sealed by gland (26), described gland (26) is enclosed within main mandrel (25), and gland (26) is fastenedly connected by the securing member that is made up of the first bolt (28) and the first nut (27) and feed cock body (24) upper end.
6. gas lift reverse circulation swivel joint as claimed in claim 1, it is characterized in that: described feed cock body (24) inwall is provided with the first annular air channel be communicated with inlet suction port the inner, on described main mandrel (25) outer wall, the position of corresponding first annular air channel is provided with the second annular air channel, is provided with radial direction through hole bottom the second annular air channel; Described v-ring (39) assembly comprises v-ring (39) and spacer ring (40), fill out respectively between described feed cock body (24) two ends and main mandrel (25) two ends and establish one group of v-ring (39), separated by spacer ring (40) between two groups of v-rings (39), the position of upper corresponding first annular air channel of described spacer ring (40) and the second annular air channel is provided with radial direction through hole.
7. gas lift reverse circulation swivel joint as claimed in claim 1, is characterized in that: described exhaust faucet (34) upper end is connected with bend pipe (30).
8. gas lift reverse circulation swivel joint as claimed in claim 7, it is characterized in that: described bend pipe (30) is connected in exhaust faucet (34) by the securing member be made up of the second bolt (33) and the second nut (32), the kink lateral surface of bend pipe (30) is provided with opening, and this opening part is equipped with and is provided with pipe lid (31) with bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610035693.7A CN105507835B (en) | 2016-01-19 | 2016-01-19 | A kind of gas lift reverse circulation swivel joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610035693.7A CN105507835B (en) | 2016-01-19 | 2016-01-19 | A kind of gas lift reverse circulation swivel joint |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105507835A true CN105507835A (en) | 2016-04-20 |
| CN105507835B CN105507835B (en) | 2017-12-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610035693.7A Active CN105507835B (en) | 2016-01-19 | 2016-01-19 | A kind of gas lift reverse circulation swivel joint |
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| CN (1) | CN105507835B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105781419A (en) * | 2016-04-28 | 2016-07-20 | 重庆大学 | Injection type suction drilling tool for cutting removal of drilling center of weak formation and using method of drilling tool |
| CN110984844A (en) * | 2019-12-17 | 2020-04-10 | 山东浩洲地热工程有限公司 | Cluster impactor |
| CN114658943A (en) * | 2020-12-23 | 2022-06-24 | 横滨橡胶株式会社 | Auxiliary clamp for pipe joint |
| CN118622149A (en) * | 2024-08-13 | 2024-09-10 | 连云港黄海勘探技术有限公司 | Full hydraulic core drill is with reverse circulation unit head device and rig |
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