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Sealing system for borehole pumps

A technology for sealing systems and drilling pumps, applied in parts, seals/seals, and pump components of pumping devices for elastic fluids, which can solve problems such as the inability of sealing units to adapt to the size and size of polishing rods

Inactive Publication Date: 2013-11-20
NETZSCH PUMPEN & SYST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, with the systems known from the prior art, it is not possible to adapt the sealing unit to other sizes and dimensions of the polishing rod

Method used

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  • Sealing system for borehole pumps
  • Sealing system for borehole pumps

Examples

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Embodiment Construction

[0015] figure 1 The position of the sealing system 20 according to the invention in the drive head 10 of the conveyor device is shown. The driver head 10 is basically formed from a driver 16 and an outer casing 22 in which other components can be arranged. Drive energy is transferred from the drive 16 to the polishing rod 26 . The polishing rod 26 is connected to the well pump 12 located in the well 14 . The drilling pump 12 is driven by a polishing rod 26 . To seal the driver head 10 relative to the borehole 14 , a sealing system 20 is connected to a base body 24 of an outer sleeve 22 . exist figure 2 The construction and function of the sealing system 20 are more precisely described in .

[0016] figure 2 The sealing system 20 according to the invention is shown in section. The sealing system 20 is connected to the base body 24 of the outer sleeve 22 via a connecting element 32 . In the illustrated embodiment, the connecting element 32 is formed by a flange connect...

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Abstract

The invention relates to a sealing system for sealing a drive head of a borehole pump relative to a borehole. The drive head consists of a drive and a casing. The sealing system is disposed on a base of the casing, wherein a polished rod extends through the sealing system. The sealing system is releasably connected to the base of the casing.

Description

technical field [0001] The present invention relates to a sealing system for sealing the drive of a drilling pump relative to a well. Background technique [0002] US patent document US 5,711,533 discloses a sealing device for an oil pump device having a device for adjusting a polishing rod. The sealing device consists of two parts. These two parts are connected by a flange. A static seal is arranged between the flanges, which seals the flanges against one another. The lower part of the sealing device is provided with threads, and is connected with the blowout preventer of the oil pump device. [0003] US Pat. No. 7,337,851 discloses a drive unit for an oil pump device, wherein a sealing unit is arranged on a hollow shaft directly below the polishing rod clamp. Two components are located above the hydraulic drive motor. With this arrangement, parts of the sealing unit can be replaced without dismantling the drive. [0004] Canadian patent document CA2515616C discloses ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E21B33/08
CPCE21B33/085E21B43/126F04B53/164
Inventor 安杰洛·赛敏约亨·迪特里希亚历山大·祖博
Owner NETZSCH PUMPEN & SYST
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