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Split type mud gun vibrating source drilling tool

A split type, mud gun technology, applied in the field of drilling, can solve problems such as failure to apply, limit the excitation depth of mud guns, and inability to effectively download seismic waves, and achieve the effect of convenient loading, unloading and maintenance.

Active Publication Date: 2014-10-01
BGP OF CHINA NAT GASOLINEEUM CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

There are domestic and foreign related companies conducting research on the application of air guns and mud guns, but they mainly use mechanical pressing, which limits the excitation depth of mud guns, and the surface layer of thin mud absorbs seismic waves seriously, and seismic waves cannot be effectively transmitted down. not used in actual production

Method used

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  • Split type mud gun vibrating source drilling tool
  • Split type mud gun vibrating source drilling tool
  • Split type mud gun vibrating source drilling tool

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] Embodiment 1: as figure 1 , figure 2 , image 3 , Figure 4 , Figure 5 as shown,

[0025] The present invention comprises main housing assembly 1, bolt 2, drill bit 3, lower rubber ring 4, auxiliary housing assembly 5, upper rubber ring 6, mud gun 7.

[0026] The main shell assembly 1 is a weldment, including the upper flange 8, the main shell 9, the upper connecting tile 10, the filling body 11, the spiral blade 12, the drill bit flange 13, the corner rib 14, the lower connecting tile 15, the retaining tile Circle 16, transition sleeve 17, rib plate 18. The main shell 9 is cylindrical, the inner diameter of the main shell 9 is φ200mm, and the thickness is 10mm. One end of the main shell is cut off in half. 17. The upper end of the transition sleeve 17 is welded to fix the upper flange 8, and four ribs 18 are evenly distributed between the transition sleeve 17 and the upper flange 8. Weld and fix the semi-circular upper connecting tile 10 on the lower side of t...

Embodiment 2

[0030] Embodiment 2: as figure 1 , figure 2 , image 3 , Figure 4 , Figure 5 as shown,

[0031] A split mud gun seismic source drilling tool includes a main shell assembly 1, bolts 2, drill bits 3, a lower rubber ring 4, an auxiliary shell assembly 5, an upper rubber ring 6, and a mud gun 7. The main casing assembly 1 includes an upper flange 8, a main casing 9, an upper connecting tile 10, a filling body 11, a spiral blade 12, a drill bit flange 13, corner ribs 14, a lower connecting tile 15, a retaining ring 16, and a transition sleeve 17, Rib 18. The sub-housing assembly 5 includes a sub-housing 19 , an upper connecting shoe 10 , a filling body 11 , a lower connecting shoe 15 , a spiral blade 12 , a drill bit flange 13 and corner ribs 14 .

[0032] The main shell 9 is cylindrical, one end of which is cut off in half, and a retaining ring 16 is welded at the incision of the inner cavity of the main shell 9, and a transition sleeve 17 is welded and fixed on the upper...

Embodiment 3

[0041] Embodiment 3: as figure 1 , figure 2 , image 3 , Figure 4 , Figure 5 As shown, a split type mud gun seismic source drilling tool, the split type mud gun drilling tool includes a main shell assembly, bolts, drill bits, a lower rubber ring, an auxiliary shell assembly, an upper rubber ring, and a mud gun.

[0042] The main shell is assembled into a weldment, including upper flange, main shell, upper connecting tile, filling body, helical blade, drill bit flange, corner rib, lower connecting tile, retaining ring, transition sleeve, rib plate. The main shell is cylindrical, one end of which is cut off in half, the inner cavity of the main shell is welded with a retaining ring, the upper end of the main shell is welded and fixed with a conical transition sleeve, the upper end of the transition sleeve is welded and fixed to the upper flange, and the transition sleeve and 4 ribs are evenly distributed between the upper flanges. Weld and fix the semi-annular upper conn...

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Abstract

The invention discloses a split type mud gun vibrating source drilling tool, and belongs to the technical field of drilling. A main shell is cylindrical, a half of one end of the main shell is cut, a check ring is welded to a notch of an inner cavity of the main shell, a transition sleeve is fixedly welded to the upper end of the main shell, and an upper flange is fixedly welded to the upper end of the transition sleeve so that the upper end of the transition sleeve can be connected with a drill rod. A drill bit flange is fixedly welded to the outer circle of the lowest end of the main shell, the lower end face of the drill bit flange is flush with the lower end face of the main shell, and angle ribs are welded between the drill bit flange and the main shell. A screw blade with a half lead is fixedly welded to the lower side of a square hole of the outer circle of the main shell, the lead of the screw blade is 800 mm, and the external diameter phi of the screw blade is 600 mm. A semi-circular-ring-shaped upper connecting tile is fixedly welded to the lower side of the check ring of the inner cavity of the main shell, a bolt connecting hole is machined in the upper connecting tile, a semi-circular-ring-shaped filling body is fixedly welded to the lower side of the upper connecting tile, and square holes are machined in the positions, corresponding to air vents of a mud gun, of the filling body and the main shell. A lower connecting tile is welded to the inner cavity of the lowest side of the main shell.

Description

technical field [0001] The invention relates to a split-type mud gun seismic source drilling tool, which belongs to the technical field of drilling. Background technique [0002] At present, oil exploration equipment mainly includes vibrators (used for relatively flat land), explosives, and air gun sources (used in areas with a water depth greater than 3m), but in land-water interactive zones and swampy areas, ships cannot travel due to vibrators and air gun sources. , only explosives can be used, which has poor environmental protection, high construction costs, and potential safety hazards. In some areas, local governments or oil companies do not allow the use of explosives. Foreign air gun manufacturers have developed mud guns that can be excited in mud, but they have not been successfully applied. There are domestic and foreign related companies conducting research on the application of air guns and mud guns, but they mainly use mechanical pressing, which limits the exci...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01V1/153
Inventor 杨凤申陈宪战李海军王艳明高斌
Owner BGP OF CHINA NAT GASOLINEEUM CORP
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