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Method for the Treatment of the Obstructed Zones of the Parent Rock of Hydrocarbon-Producing Strata Adjacent to a Gas and Oil Well Drilling Zone in Order to Increase Productivity

a technology for hydrocarbon-producing strata and parent rock, which is applied in the direction of earth drilling, fluid removal, borehole/well accessories, etc., can solve the problem that the natural pressure factor total existing in the deposit cannot be recovered more than 30 times, and achieves high financial investment, improve production, and increase production

Inactive Publication Date: 2008-07-03
BLACH SERVERA PEDRO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In any case, and in general, the total natural pressure factor existing in the deposit does not enable recovering more than 30-35% of the oil reservoirs provided that the viscosity thereof is less than 10%.

Method used

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  • Method for the Treatment of the Obstructed Zones of the Parent Rock of Hydrocarbon-Producing Strata Adjacent to a Gas and Oil Well Drilling Zone in Order to Increase Productivity
  • Method for the Treatment of the Obstructed Zones of the Parent Rock of Hydrocarbon-Producing Strata Adjacent to a Gas and Oil Well Drilling Zone in Order to Increase Productivity

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Embodiment Construction

[0044]The invention relates to a device according to claim 1 and to a method according to claim 4. Preferred embodiments of the invention are defined in the corresponding dependent claims.

DESCRIPTION OF THE DRAWINGS

[0045]To complement the description and for the purpose of aiding to better understand the features of the invention according to preferred practical embodiments thereof, a set of drawings is attached as an integral part of said description, showing the following in an illustrative and non-limiting manner:

[0046]FIG. 1 schematically shows a container—dispenser (version with the intermediate section located between the high pressure section and the low pressure section) according to a preferred embodiment of the invention.

[0047]FIG. 2 schematically shows different elements associated with the invention according to a possible embodiment thereof.

DETAILED DESCRIPTION OF THE INVENTION

[0048]The result of the invention is the creation of a technological equipment and a methodolo...

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Abstract

The invention relates to a device and method for treating the backfilled area of the productive stratum adjacent to the drilling area of oil and gas wells using high pressure pulses. The technological equipment consists of a submersible cylindrical container which is equipped with a high pressure section for accumulating the gaseous working agent, a high pressure one-way electromagnetic valve for dispensing the gaseous agent, a low pressure section where gamma radiation and material solidity detectors and data transmission equipment are located, an intermediate section where at least two one-way nozzles are located, specially arranged radially for injecting the working agent into the areas to be treated, and the technical control and operating equipment.

Description

[0001]This invention relates to operating oil and gas wells, wells in aquifers and other types of wells and is used for treating the areas of the stratum adjacent to the drilling area of the well for the purpose of increasing permeability of the bedrock and therefore productivity.OBJECT OF THE INVENTION[0002]A pressure pulse generator, by means of gas injection, which is introduced in the drilling area of the well, being located in the areas of the oil and gas well having maximum saturation and maximum flow intensity, to which areas high energy impact pulses are transmitted with a certain duration of the impact wave vibrations until they are completely dampened, and low energy pressure impact pulses are subsequently generated.STATE OF THE ART[0003]The extraction of oil reservoirs from fossil fuel deposits is initially carried out by means of drilling wells in certain places of the deposit and the oil and gas come to the surface usually due to the effect of natural pressure. The natu...

Claims

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Application Information

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Patent Type & Authority Applications(United States)
IPC IPC(8): E21B43/25
CPCE21B47/044E21B43/255E21B47/053
Inventor GUBAR, ALEKSEYEVICH VLADIMIRVESELOV, MICHAILOVICH VLADIMIRZALEVSKIY, VICTOR
Owner BLACH SERVERA PEDRO
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