CN210439982U

CN210439982U - Weighted drill rod joint convenient to connect

Info

Publication number: CN210439982U
Application number: CN201921319558.0U
Authority: CN
Inventors: 丁义东
Original assignee: Wuxi Huaxin Petroleum Machine Co ltd
Current assignee: Wuxi Huaxin Petroleum Machine Co ltd
Priority date: 2019-08-14
Filing date: 2019-08-14
Publication date: 2020-05-01
Anticipated expiration: 2029-08-14

Abstract

The utility model relates to an aggravate tool joint convenient to connect uses in drilling tool apparatus design technical field, and its technical scheme main points are: the drill rod comprises a male connector and female connectors positioned at two ends of the male connector, wherein the female connectors are fixedly arranged on a common drill rod and a weighting drill rod at two ends of the male connector respectively, two ends of the male connector are rotatably connected with lantern rings, the inner walls of the lantern rings are in threaded connection with the female connectors, a plurality of fixing bolts penetrate through the side walls of the lantern rings facing the female connectors, a plurality of threaded holes matched with the fixing bolts are formed in the end surfaces of the male connector, which are abutted against the lantern rings, and the threaded holes are uniformly distributed along the circumferential direction of the end; the advantages are that: through set up on tool joint male joint and rotate the lantern ring of being connected with the male joint, the staff rotates the lantern ring and makes the lantern ring replace to rotate drilling rod or tool joint, makes male joint and box threaded connection, has reduced the condition that the staff need directly rotate drilling rod or tool joint, has practiced thrift the manpower and has practiced thrift the time.

Description

Weighted drill rod joint convenient to connect

Technical Field

The utility model belongs to the technical field of drilling tool instrument design technique and specifically relates to a aggravate tool joint convenient to connect is related to.

Background

In recent centuries, with the development of scientific technology and the improvement of oil exploration technology and drilling and production equipment, professionals can easily find geological layers for storing oil on the earth. Petroleum resources are strategic resources, blood vessels of industry and governments of all countries pay attention to energy production, and a drill rod is a steel pipe and is used for connecting surface equipment of a drilling machine and drilling and grinding equipment or a bottom hole device positioned at the bottom end of a drilling well.

The weighted drill rod is similar to a common drill rod and is also a steel pipe, and the length of the weighted drill rod is about 10 meters. But a single drill pipe is heavier than an oil drill pipe, the wall thickness is 2-3 times of that of the drill pipe, the heavy drill pipe is connected between the drill pipe and the drill collar, the purpose is to prevent fatigue damage caused by the change of the cross section of the drilling tool string, the heavy drill pipe can also replace a part of drill collar, but the heavy drill pipe is simple to suspend, the operation of tripping the drill pipe is convenient, and the tripping time can be saved.

The existing weighted drill pipe joint is generally in direct threaded connection with a male joint of the drill pipe joint and a female joint fixedly connected to a drill pipe, and when a worker connects a common drill pipe and the weighted drill pipe, the worker needs to repeatedly rotate the drill pipe joint or the drill pipe for many times until the male joint and the female joint are screwed tightly.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a aggravate tool joint convenient to connect, its advantage is: through set up on tool joint male joint and rotate the lantern ring of being connected with the male joint, the staff rotates the lantern ring and makes the lantern ring replace to rotate drilling rod or tool joint, makes male joint and box threaded connection, has reduced the condition that the staff need directly rotate drilling rod or tool joint, has practiced thrift the manpower and has practiced thrift the time.

The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides a aggravate tool joint convenient to connect, includes male joint and the box that is located the male joint both ends, the box sets firmly respectively on the ordinary drilling rod at male joint both ends and aggravate the drilling rod, the male joint both ends are all rotated and are connected with the lantern ring, lantern ring inner wall and box threaded connection, the lantern ring is worn to be equipped with a plurality of fixing bolt on the lateral wall of box towards the lantern ring, fixing bolt follows lantern ring circumference evenly distributed and follows lantern ring axial extension, offers the screw hole of a plurality of and fixing bolt adaptations on the terminal surface that the male joint contradicts with the lantern ring, the screw hole is along male joint terminal surface circumference evenly distributed.

Through adopting above-mentioned technical scheme, through setting up in the lantern ring that the male joint rotated the connection, the staff makes the inboard screw thread of the lantern ring screw with the screw thread in the female joint circumference lateral wall outside through rotating the lantern ring, thereby along axial fixity tool joint and drilling rod, then by staff's adjustment tool joint position, make the screwed hole on the tool joint align fixing bolt, rotate a plurality of fixing bolt at last, thereby make the equal screw in screw hole of fixing bolt fix drilling rod and tool joint along circumference, the number of times that the staff need rotate drilling rod or tool joint has been reduced through above-mentioned connected mode, the time is practiced thrift and the manpower has been practiced thrift.

The utility model discloses further set up to: the male joint is of a conical shape, and the outer side wall of the male joint is gradually and uniformly increased along the direction of being far away from the common drill rod along the axial direction.

By adopting the technical scheme, the possibility of deformation and fracture of the male joint due to stress concentration when the male joint receives axial load or torque load is reduced through gradual change of the wall thickness of the male joint.

The utility model discloses further set up to: the utility model discloses a drilling tool, including male joint, common drilling rod or aggravate drilling rod, male joint overcoat is equipped with the adapter sleeve, the adapter sleeve both ends are contradicted with the circumference lateral wall of ordinary drilling rod or aggravating the drilling rod respectively, the adapter sleeve inside wall is laminated with male joint circumference lateral wall, the adapter sleeve evenly divide into a plurality of components along male joint circumference, and is a plurality of the component of adapter sleeve passes through bolted connection.

By adopting the technical scheme, the joint sleeve which is wrapped outside the drill rod joint and is respectively abutted against the drill rods at the two ends is arranged, the integral thickness of the structure at the drill rod joint is further increased, the possibility of deformation and fracture of the drill rod joint due to the action of bending moment is reduced when inclined drilling is carried out, the joint sleeve is divided into a plurality of components, so that a worker can conveniently install the joint sleeve after the drill rod joint and the drill rods are assembled, the reliability of the device is improved, and convenience is brought to the worker.

The utility model discloses further set up to: the male connector is characterized in that a plurality of annular convex edges are arranged on the circumferential side wall of the male connector, the axis of each annular convex edge is overlapped with that of the male connector, and a plurality of grooves matched with the convex edges are formed in the inner side wall of the connector sleeve.

By adopting the technical scheme, the arrangement of the annular convex ribs reduces the possibility that the joint sleeve moves towards the direction of the common drill rod along the axis of the male joint, and further improves the reliability of the device.

The utility model discloses further set up to: the side surfaces of the joint sleeve components which are mutually butted are fixedly connected with connecting pads.

By adopting the technical scheme, through setting up the connection pad, reduced drilling rod vibrations and transmitted for the adapter sleeve among the drilling process, made the condition that takes place vibrations between adapter sleeve and the male joint and make the male joint wearing and tearing or damage, and reduced the noise, promoted the practicality of device.

The utility model discloses further set up to: and the circumferential outer side wall of the joint sleeve is provided with an anti-abrasion sleeve.

By adopting the technical scheme, the possibility that the joint sleeve is worn or damaged due to direct contact with a drilling wall is reduced through the anti-abrasion sleeve, and the service life of the device is prolonged.

The utility model discloses further set up to: the wear-resistant sleeve is provided with a spiral groove extending along the circumferential direction of the male connector.

By adopting the technical scheme, the resistance from the well wall when the drill rod rotates is reduced, and the resistance received by the drilling machine is reduced.

The utility model discloses further set up to: and a leakage-proof gasket is arranged between the lantern ring and the female joint.

Through adopting above-mentioned technical scheme, reduced the drilling fluid from the drilling rod joint with the junction seepage's of drilling rod possibility, promoted the practicality of device.

To sum up, the utility model discloses a beneficial technological effect does:

1. the lantern ring is arranged to replace a drill rod joint to be directly connected with a drill rod, so that the frequency of repeatedly rotating the drill rod or the drill rod joint with larger weight by a worker when the worker installs the drill rod joint is reduced, the labor is saved, and the time is saved;

2. through the arrangement of the joint sleeve, the capacity of bearing bending moment of the structure at the drill rod joint is reduced, the possibility of deformation or fracture of the drill rod joint under the action of bearing bending moment is reduced, and the reliability of the device is improved.

Drawings

Fig. 1 is a schematic structural diagram of the present embodiment.

Fig. 2 is a schematic diagram of the embodiment for embodying the insertion position of the fixing bolt.

Fig. 3 is a schematic structural diagram of a threaded hole in the male connector according to the embodiment.

Fig. 4 is a schematic structural diagram of the wear-resistant sleeve and the connecting pad according to the embodiment.

FIG. 5 is a schematic diagram of a connecting pad according to the present embodiment.

In the figure, 1, a male connector; 11. a threaded hole; 12. an annular rib; 2. a female joint; 3. sleeving a ring; 31. fixing the bolt; 4. a joint sleeve; 41. a groove; 42. a connecting pad; 5. an anti-wear sleeve; 51. a helical groove; 6. a leak-proof gasket.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example (b): a weighted drill pipe joint convenient for connection is disclosed, as shown in figures 1 and 2, comprising a male joint 1 and female joints 2 arranged at two ends of the male joint 1, wherein two female joints 2 are respectively fixedly connected with a common drill pipe and a weighted drill pipe at two ends of the male joint 1 at one end close to the male joint 1, two ends of the male joint 1 are respectively and rotatably connected with a lantern ring, the inner side of the lantern ring is in threaded connection with the circumferential outer side of the female joint 2, a leakproof gasket 6 is fixedly connected on the contact surface of the end surface of the ring sleeve 3 and the female joint 2, so as to reduce the possibility of the drilling fluid exposing from the connection part of the drill pipe joint, a plurality of fixing bolts 31 with the axial parallel to the axial line of the ring sleeve 3 are in threaded connection on the end surface of the ring sleeve 3 facing the direction of the female joint 2, a plurality of threaded holes 11 (shown in figure 3) which are more than the fixing bolts 31 and are matched with the fixing bolts 31 are arranged, the threaded holes 11 are uniformly distributed along the circumferential direction of the end face of the male joint 1, the male joint 1 is in a conical shape, the pipe wall thickness of the male joint 1 is gradually increased along the direction of the axis far away from the common drill rod and is the same as the diameter of a lantern ring at one end of the weighted drill rod, and the condition that the drill rod joint is broken due to stress concentration when the drill rod joint receives torque or axial load due to sudden change of the wall thickness is reduced through the gradual increase of the wall thickness of the drill rod joint;

as shown in fig. 1 and 2, when a worker connects a weighted drill rod and a common drill rod, the common drill rod or the female joint 2 of the weighted drill rod is firstly inserted into the ring sleeve 3, then the ring sleeve 3 is rotated until the ring sleeve 3 is screwed with the screw thread on the female joint 2 to fix the axial relative positions of the drill rod joint and the drill rod, finally the drill rod joint and the common drill rod are rotated by a small amplitude, the threaded holes 11 on both sides of the male joint 1 are respectively used for fixing the bolts 31 on both sides, and the bolts 31 are screwed into the threaded holes 11, so that the circumferential relative rotation of each drill rod and the drill rod joint is fixed, and the connection of the weighted drill rod and the common drill rod is completed. Replace drill rod joint direct and drilling rod threaded connection through setting up the lantern ring, reduced the staff and need relapse the great drill rod joint of weight and the number of times of ordinary drilling rod when connecting ordinary drilling rod and aggravating the drilling rod, practiced thrift the manpower and practiced thrift the time.

As shown in fig. 1, a connector sleeve 4 is sleeved outside a male connector 1, the inner side wall of the connector sleeve 4 is tightly abutted against the outer side wall of the male connector 1, a plurality of grooves 41 are arranged on the inner side wall of the connector sleeve 4, a plurality of annular ribs 12 are arranged on the outer side wall of the male connector 1, the axes of the annular ribs 12 are coincident with the axis of the male connector 1, the annular ribs 12 are uniformly distributed along the axis of the male connector 1, the grooves 41 are matched with the annular ribs 12, the possibility that the connector sleeve 4 and the male connector 1 slide relatively is reduced, two ends of the male connector 1 are respectively abutted against the circumferential side walls of female connectors 2 at two ends of the male connector 1, the connector sleeve 4 is divided into two symmetrical parts along the axial direction of the male connector 1, the two parts of the connector sleeve 4 are detachably connected through bolts, so that a worker can install the connector sleeve 4 after assembling a drill pipe connector and a drill pipe, connection pads 42 (, the vibration of the joint sleeve during the operation of the drilling machine is reduced, so that the abrasion between the joint sleeve and the male joint 1 and the degree of vibration striking are reduced, and the service life of the device is prolonged. The arrangement of the joint sleeve 4 increases the bending moment bearing capacity of the device at the drill rod joint, and reduces the possibility of bending deformation or fracture of the joint sleeve 4 under the action of bending moment when the drilling tool is used for inclined drilling.

If fig. 4, fixedly connected with abrasionproof cover 5 on the 4 lateral walls of adapter sleeve reduces adapter sleeve 4 and receives the possibility that the wearing and tearing of the wall of a well take place the damage, sets up the helicla flute 51 along 5 circumference extensions of abrasionproof cover on the lateral wall of abrasionproof cover 5, has reduced the contact of abrasionproof cover 5 with the wall of a well to reduce the resistance that the rig received, promoted the device practicality.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a aggravate tool joint convenient to connect which characterized in that: including male joint (1) and female joint (2) that are located male joint (1) both ends, female joint (2) set firmly respectively on the ordinary drilling rod at male joint (1) both ends and aggravate the drilling rod, male joint (1) both ends are all rotated and are connected with the lantern ring, lantern ring inner wall and female joint (2) threaded connection, the lantern ring is worn to be equipped with a plurality of fixing bolt (31) on the lateral wall of female joint (2), fixing bolt (31) are followed lantern ring circumference evenly distributed and are followed lantern ring axial extension, set up screw hole (11) of a plurality of and fixing bolt (31) adaptation on the terminal surface that male joint (1) contradict with the lantern ring, screw hole (11) are followed male joint (1) terminal surface circumference evenly distributed.

2. The weighted drill pipe joint that facilitates connection of claim 1, wherein: the male joint (1) is conical, and the outer side wall of the male joint (1) is gradually and uniformly increased along the direction of axially keeping away from the common drill rod.

3. The weighted drill pipe joint that facilitates connection of claim 2, wherein: male joint (1) overcoat is equipped with joint sleeve (4), joint sleeve (4) both ends are contradicted with ordinary drilling rod or the circumference lateral wall that aggravates the drilling rod respectively, joint sleeve (4) inside wall and the laminating of male joint (1) circumference lateral wall, joint sleeve (4) evenly divide into a plurality of components, and is a plurality of along male joint (1) circumference the component of joint sleeve (4) passes through bolted connection.

4. The weighted drill pipe joint that facilitates connection of claim 3, wherein: the male connector is characterized in that a plurality of annular convex ribs (12) are arranged on the circumferential side wall of the male connector (1), the axes of the annular convex ribs (12) coincide with the axis of the male connector (1), and a plurality of grooves (41) matched with the convex ribs are formed in the inner side wall of the connector sleeve.

5. The weighted drill pipe joint that facilitates connection of claim 4, wherein: the side surfaces of the joint sleeves (4) which are mutually butted are fixedly connected with connecting pads (42).

6. The weighted drill pipe joint that facilitates connection of claim 3, wherein: and the circumferential outer side wall of the joint sleeve (4) is provided with an anti-abrasion sleeve (5).

7. The weighted drill pipe joint that facilitates connection of claim 6, wherein: the anti-wear sleeve (5) is provided with a spiral groove (51) extending along the circumferential direction of the male connector (1).

8. The weighted drill pipe joint that facilitates connection of claim 1, wherein: and a leakage-proof gasket (6) is arranged between the lantern ring and the female joint (2).