A drilling rod with a helical guide sleeve

Abstract

The application discloses a drilling rod with a spiral guide sleeve, a sleeve frame is sleeved and fixed on the drilling rod body, an adjusting frame is arranged on one side of the sleeve frame, a slot is formed in the one side of the sleeve frame, the outer side wall of the adjusting frame is arranged in contact with the inner ring wall of the well channel, the inner side of the adjusting frame is fixed with a protruding block, the protruding block is inserted into the slot, the other side of the protruding block is fixed with an adjusting block, a fixing seat is fixed on the side wall of the slot, a groove is formed in the fixing seat, the adjusting block is inserted into the groove, a connecting block is fixed on one side of the adjusting block, the connecting block is slidably arranged in the slot, the upper side of the connecting block is fixed with a limiting block, and a positioning pin is sequentially inserted into the limiting block and the positioning hole from top to bottom.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of drilling equipment, in particular to a drilling rod with a spiral guide sleeve. BACKGROUND

[0002] Drilling refers to the work of drilling a hole in the ground using mechanical equipment or manpower, and currently, rotary drilling is widely used in oil (gas) fields in China. The main equipment includes derrick, operation platform, diesel engine, drilling machine, drilling tool, mud pump, generator and testing equipment, as well as fuel tank and boiler.

[0003] Due to the different diameter requirements of oil drilling work, different drill bits need to be used for the same wellbore during drilling work. When a wide-size drill bit is replaced for operation, the drilling rod has no guide mechanism, which not only makes the well wall not straight but also has a bad effect on the drilling rod, reducing the service life of the drilling rod and sometimes causing safety accidents. SUMMARY

[0004] The present application aims to overcome the shortcomings of the prior art and provide a drilling rod with a spiral guide sleeve.

[0005] The technical scheme is as follows:

[0006] A drilling rod with a spiral guide sleeve, comprising a drilling rod body (1), a plurality of guide sleeve groups (2) are fixedly sleeved on the drilling rod body (1), and the outer end of the guide sleeve group (2) is in contact with the inner annular wall of the wellbore (16).

[0007] Further, the guide sleeve group (2) comprises a plurality of guide sleeves (3). The plurality of guide sleeves (3) are arranged at equal intervals from top to bottom and are arranged at equal angles in a circle between the plurality of guide sleeves (3). The guide sleeve (3) comprises a sleeve frame (4) and an adjusting frame (5), one end of the sleeve frame (4) is fixedly sleeved on the drilling rod body (1), and the other end of the sleeve frame (4) is connected to the adjusting frame (5) through an adjusting mechanism.

[0008] Further, the adjusting mechanism comprises: a protrusion (6), a fixed seat (7), an adjusting block (8), a side of the sleeve frame (4) is provided with a slot (401), the outer side wall of the adjusting frame (5) is in contact with the inner ring wall of the shaft (16) and is arranged, the inner side of the adjusting frame (5) is fixed with the protrusion (6), the protrusion (6) is inserted in the slot (401), the other side of the protrusion (6) is fixed with the adjusting block (8), the sidewall of the slot (401) is fixed with the fixed seat (7), the fixed seat (7) is provided with a groove (701) therein, the adjusting block (8) is inserted in the groove (701), the fixed seat (7) on the upper side of the groove (701) is provided with a slot (702) in penetration, the adjusting block (8) is fixed with a connecting block (17) on one side of the groove (701), the connecting block (17) is slidably arranged in the slot (702), the upper side of the connecting block (17) is fixed with a limiting block (9), a plurality of positioning holes (703) are formed in the fixed seat (7) on the front and rear sides of the slot (702), and a positioning pin (10) is sequentially inserted in the limiting block (9) and the positioning hole (703) from top to bottom.

[0009] The fixed seat (7) is symmetrically provided with a sliding groove (704) in front and back, the sliding groove (704) is arranged outside the positioning hole (703), and the bottom of the limiting block (9) is symmetrically fixed with a sliding block (11), which is slidably arranged in the sliding groove (704).

[0010] The sidewall of the slot (401) is fixed with a spring (12), and the other end of the spring (12) is connected and fixed with the adjusting block (8) after penetrating the groove (701) in the fixed seat (7).

[0011] The fixed seat (7) on the front and rear sides of the groove (701) is provided with a guide groove (705) in penetration, and the front and rear sides of the adjusting block (8) are fixed with guide blocks (13), which are slidably arranged in the corresponding guide grooves (705).

[0012] The sleeve frame (4) is symmetrically provided with a limiting slot (402) in front and back, the limiting slot (402) is inserted with an insertion block (14), the insertion block (14) is fixed with a blocking block (15), and the bottom of the blocking block (15) is in contact with the upper surface of the sleeve frame (4).

[0013] The beneficial effects of the present application are:

[0014] The present application sets the guiding sleeve which can be adjusted on the drilling rod, so that it can be guided in different sizes of shafts, thereby improving the stability of the drilling rod itself and improving the drilling efficiency.

[0015] The present application is suitable for suspending the guiding measuring instrument in the oil field drilling process, shortening the visual distance of the high edge position of the pulser, and avoiding the formation of steps at the joint part of the non-magnetic drilling tool and the suspension sub. Various specifications can be processed according to the outer diameters of the upper and lower drilling tools. Meanwhile, the present application has the characteristics of simple structure, low cost, long service life, and good application prospect.

[0016] The drilling rod with a spiral guide sleeve is suitable for the guide sleeve of the drilling rod in the oil field drilling process, and various specifications can be processed according to different drilling rod outer diameters.

[0017] The guide sleeve on the drilling rod can be adjusted, so that it can be guided in different size wellbores.

[0018] The structure is simple, the operation is convenient, the stability of the drilling rod itself is improved, the safety of operation construction is improved, and the drilling efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a structural diagram of the drilling rod with a spiral guide sleeve of the present application.

[0020] Figure 2 It is a front side view. Figure 1

[0021] Figure 3 It is a structural diagram of the guide sleeve in the present application.

[0022] Figure 4 It is a front side view. Figure 3

[0023] Figure 5 It is a sectional view of A-A in the present application. Figure 4

[0024] Figure 6 It is an enlarged view of C part in the present application. Figure 5

[0025] Figure 7 It is a sectional view of B-B in the present application. Figure 4

[0026] Figure 8 It is an enlarged view of D part in the present application. Figure 7

[0027] Figure 9 It is a structural diagram of the plug-in block and the stop block in the present application.

[0028] In the figure:

[0029] ​​​​​​Drilling rod body 1, guide sleeve group 2, guide sleeve 3, sleeve frame 4, slot 401, limiting groove 402, adjusting frame 5, protruding block 6, fixing seat 7, recess 701, insertion slot 702, positioning hole 703, sliding groove 704, guide groove 705, adjusting block 8, limiting block 9, positioning pin 10, sliding block 11, spring 12, guide block 13, insertion block 14, stop block 15, well 16, connecting block 17. DETAILED DESCRIPTION

[0030] In order to make the objects, technical solutions and advantages of the present application clearer, the present application will be further described in detail below with reference to specific embodiments and drawings. It should be understood that these descriptions are only exemplary and are not intended to limit the scope of the present application. In addition, in the following description, the description of known structures and technologies is omitted to avoid unnecessary confusion of the concept of the present application.

[0031] Referring to the drawings Figures 1-9 , the specific embodiment adopts the following technical solution: a drilling rod with a spiral guide sleeve, comprising a drilling rod body 1 and a guide sleeve group 2, a plurality of guide sleeve groups 2 are sleeved and welded on the drilling rod body 1, each guide sleeve group 2 comprises four guide sleeves 3, the four guide sleeves 3 are arranged at equal intervals from top to bottom, and the four guide sleeves 3 are arranged at equal angles in a circle.

[0032] The guide sleeve 3 comprises a sleeve frame 4, an adjusting frame 5, a protruding block 6, a fixing seat 7 and an adjusting block 8. The sleeve frame 4 is sleeved and welded on the drilling rod body 1, one side of the sleeve frame 4 is provided with the adjusting frame 5, and a slot 401 is formed in one side of the sleeve frame 4.

[0033] The outer side wall of the adjusting frame 5 is in contact with the inner annular wall of the well 16, the inner side of the adjusting frame 5 is welded with the protruding block 6, the protruding block 6 is inserted in the slot 401, the other side of the protruding block 6 is welded with the adjusting block 8, the fixing seat 7 is welded on the side wall of the slot 401, the recess 701 is formed in the fixing seat 7, and the adjusting block 8 is inserted in the recess 701.

[0034] The spring 12 is welded on the side wall of the slot 401, the other end of the spring 12 passes through the recess 701 in the fixing seat 7 and is welded with the adjusting block 8, and the spring 12 has a damping effect.

[0035] The insertion slot 702 is formed in the fixing seat 7 above the recess 701, the connecting block 17 is welded on one side of the adjusting block 8 in the recess 701, the connecting block 17 is slidably inserted in the insertion slot 702, and the limiting block 9 is welded on the upper side of the connecting block 17.

[0036] A plurality of positioning holes 703 are formed in the fixing seat 7 on the front and rear sides of the insertion slot 702, and the positioning pin 10 is inserted in the limiting block 9 and the positioning holes 703 from top to bottom.

[0037] The fixed seat 7 is symmetrically provided with a sliding groove 704 in front and back, the sliding groove 704 is arranged outside the positioning hole 703, the bottom of the limiting block 9 is symmetrically welded with a sliding block 11, the sliding block 11 is slidably arranged in the sliding groove 704, and the sliding block 11 and the sliding groove 704 are in sliding fit to guide the limiting block 9.

[0038] The fixed seat 7 located on both sides of the groove 701 is provided with a guide groove 705, the front and back of the adjusting block 8 are welded with a guide block 13, the guide block 13 is slidably arranged in the corresponding guide groove 705, and the adjusting block 8 is guided by the guide block 13 and the guide groove 705 during movement.

[0039] The sleeve frame 4 is symmetrically provided with a limiting groove 402 in front and back, the limiting groove 402 is inserted with an insertion block 14, the insertion block 14 is welded with a blocking block 15, the bottom of the blocking block 15 is in contact with the upper surface of the sleeve frame 4, and the adjusting block 8 and the fixed seat 7 are shielded by the blocking block 15.

[0040] The working principle of the embodiment is as follows: when the device is used, according to the size of the drilled shaft 16, the adjusting frame 5 is driven to move, so that the outer wall of the adjusting frame 5 is in contact with the inner ring wall of the shaft 16, the limiting block 9 is driven to move, so that the adjusting block 8 is driven to move by the connecting block 17, the limiting block 9 is positioned and fixed by the positioning pin 10 inserted in the limiting block 9 and the positioning hole 703, so that the adjusting frame 5 is in a fixed state, the adjusting block 8 is guided by the sliding fit of the guide block 13 and the guide groove 705 during movement, so that the adjusting block 8 is more balanced and stable during movement, and the adjusting frame 5 plays a role of shock absorption when the outer wall of the adjusting frame 5 is in contact with the inner ring wall of the shaft 16.

[0041] After the above structure is adopted, the beneficial effects of the embodiment are as follows:

[0042] 1. The limiting block 9 is driven to move, so that the connecting block 17 drives the adjusting block 8 to move, so that the adjusting frame 5 moves, the outer wall of the adjusting frame 5 is in contact with the inner ring wall of the shaft 16, and the guide sleeve 3 can be adjusted according to the size of the shaft 16 to guide the rotation of the drilling rod body 1.

[0043] 2. The limiting block 9 is positioned and fixed by the positioning pin 10, so that the adjusting block 8 is fixed, and the adjusting frame 5 is positioned and fixed.

[0044] While embodiments of the application have been shown and described, it is to be understood that the embodiments described are merely exemplary of the principles and application of the present application. Numerous modifications and adaptions can be effected without departing from the spirit and scope of the present application, which is not limited to the exact construction and arrangement described. It is intended, therefore, to cover all modifications and adaptions that fall within the scope of the claims and their equivalents.

Claims

1. A drilling rod with a helical guide sleeve, comprising a drilling rod body (1), characterized in that, A plurality of guide sleeve groups (2) are fixedly sleeved on the well drilling rod body (1), and outer ends of the guide sleeve groups (2) are in contact with inner annular walls of the well channel (16). The guide sleeve groups (2) comprise a plurality of guide sleeves (3); the guide sleeve (3) comprises a sleeve frame (4) and an adjusting frame (5), one end of the sleeve frame (4) is fixedly sleeved on the well drilling rod body (1), and the other end of the sleeve frame (4) is connected to the adjusting frame (5) through an adjusting mechanism; the adjusting mechanism comprises a protruding block (6), a fixed seat (7) and an adjusting block (8), one side of the sleeve frame (4) is provided with a slot (401), an outer side wall of the adjusting frame (5) is arranged in contact with the inner annular wall of the well channel (16), the inner side of the adjusting frame (5) is fixedly provided with the protruding block (6), the protruding block (6) is inserted into the slot (401), the other side of the protruding block (6) is fixedly provided with the adjusting block (8), the fixed seat (7) is fixed on the side wall of the slot (401), the fixed seat (7) is provided with a recess (701) therein, the adjusting block (8) is inserted into the recess (701), the fixed seat (7) on the upper side of the recess (701) is provided with a slot (702) penetratingly formed therein, the adjusting block (8) is fixedly provided with a connecting block (17) on one side of the recess (701), the connecting block (17) is slidingly arranged in the slot (702), the upper side of the connecting block (17) is fixedly provided with a limiting block (9), a plurality of positioning holes (703) are formed in the fixed seat (7) on the front and back sides of the slot (702), and a positioning pin (10) is sequentially inserted into the limiting block (9) and the positioning hole (703) from top to bottom.

2. A drilling rod with a helical guide sleeve as claimed in claim 1, characterized in that The plurality of guide sleeves (3) are sequentially and equidistantly arranged from top to bottom, and the plurality of guide sleeves (3) are arranged in a circumferential equiangular distribution.

3. A drilling rod with a helical guide sleeve as claimed in claim 2, characterized in that: The fixed seat (7) is symmetrically provided with a sliding groove (704) formed on the front and back sides, the sliding groove (704) is arranged on the outer side of the positioning hole (703), the bottom of the limiting block (9) is symmetrically fixedly provided with a sliding block (11), and the sliding block (11) is slidingly arranged in the sliding groove (704).

4. A drilling rod with a helical guide sleeve as defined in claim 3, characterized in that: The side wall of the slot (401) is fixedly provided with a spring (12), and the other end of the spring (12) is connected and fixed to the adjusting block (8) after penetrating through the recess (701) in the fixed seat (7).

5. A drilling rod with a helical guide sleeve as defined in claim 4, characterized in that: The fixed seat (7) on the front and back sides of the recess (701) is provided with a guide groove (705) penetratingly formed therein, and the front and back sides of the adjusting block (8) are fixedly provided with guide blocks (13), and the guide blocks (13) are slidingly arranged in the corresponding guide grooves (705).

6. A drilling rod with a helical guide sleeve as defined in claim 5, characterized in that: The sleeve frame (4) is symmetrically provided with a limiting groove (402) formed on the front and back sides, an insertion block (14) is inserted into the limiting groove (402), the insertion block (14) is fixedly provided with a blocking block (15), and the bottom of the blocking block (15) is in contact with the upper surface of the sleeve frame (4).

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