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1. WO2000031376 - METHOD AND SYSTEM FOR ACCESSING SUBTERRANEAN DEPOSITS FROM THE SURFACE

Publication Number WO/2000/031376
Publication Date 02.06.2000
International Application No. PCT/US1999/027494
International Filing Date 19.11.1999
Chapter 2 Demand Filed 16.06.2000
IPC
E21B 23/00 2006.01
EFIXED CONSTRUCTIONS
21EARTH OR ROCK DRILLING; MINING
BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
23Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells
E21B 43/00 2006.01
EFIXED CONSTRUCTIONS
21EARTH OR ROCK DRILLING; MINING
BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
43Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
E21B 43/12 2006.01
EFIXED CONSTRUCTIONS
21EARTH OR ROCK DRILLING; MINING
BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
43Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
12Methods or apparatus for controlling the flow of the obtained fluid to or in wells
E21B 43/30 2006.01
EFIXED CONSTRUCTIONS
21EARTH OR ROCK DRILLING; MINING
BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
43Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
30Specific pattern of wells, e.g. optimizing the spacing of wells
E21B 43/40 2006.01
EFIXED CONSTRUCTIONS
21EARTH OR ROCK DRILLING; MINING
BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
43Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
34Arrangements for separating materials produced by the well
40Separation associated with re-injection of separated materials
E21B 47/09 2012.01
EFIXED CONSTRUCTIONS
21EARTH OR ROCK DRILLING; MINING
BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
47Survey of boreholes or wells
09Locating or determining the position of objects in boreholes or wells; Identifying the free or blocked portions of pipes
CPC
E21B 43/006
EFIXED CONSTRUCTIONS
21EARTH DRILLING; MINING
BEARTH DRILLING, e.g. DEEP DRILLING
43Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
006Production of coal-bed methane
E21B 43/121
EFIXED CONSTRUCTIONS
21EARTH DRILLING; MINING
BEARTH DRILLING, e.g. DEEP DRILLING
43Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
12Methods or apparatus for controlling the flow of the obtained fluid to or in wells
121Lifting well fluids
E21B 43/305
EFIXED CONSTRUCTIONS
21EARTH DRILLING; MINING
BEARTH DRILLING, e.g. DEEP DRILLING
43Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
30Specific pattern of wells, e.g. optimizing the spacing of wells
305comprising at least one inclined or horizontal well
E21B 43/40
EFIXED CONSTRUCTIONS
21EARTH DRILLING; MINING
BEARTH DRILLING, e.g. DEEP DRILLING
43Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
34Arrangements for separating materials produced by the well
40Separation associated with re-injection of separated materials
E21B 47/09
EFIXED CONSTRUCTIONS
21EARTH DRILLING; MINING
BEARTH DRILLING, e.g. DEEP DRILLING
47Survey of boreholes or wells
09Locating or determining the position of objects in boreholes or wells ; , e.g. the position of an extending arm; Identifying the free or blocked portions of pipes
E21B 7/046
EFIXED CONSTRUCTIONS
21EARTH DRILLING; MINING
BEARTH DRILLING, e.g. DEEP DRILLING
7Special methods or apparatus for drilling
04Directional drilling
046horizontal drilling
Applicants
  • CDX GAS, LLC [US]/[US]
Inventors
  • ZUPANICK, Joseph, A.
Agents
  • STALFORD, Terry, J.
Priority Data
09/197,68720.11.1998US
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) METHOD AND SYSTEM FOR ACCESSING SUBTERRANEAN DEPOSITS FROM THE SURFACE
(FR) PROCEDE ET SYSTEME D'ACCES A DES COUCHES DE DEPOTS SOUTERRAINS A PARTIR DE LA SURFACE
Abstract
(EN)
Improved method and system for accessing subterranean deposits from the surface that substantially eliminates or reduces the disadvantages and problems associated with previous systems and methods. In particular, the present invention provides an articulated well with a drainage pattern that intersects a horizontal cavity well. The drainage patterns provide access to a large subterranean area from the surface while the vertical cavity well allows entrained water, hydrocarbons, and other deposits to be efficiently removed and/or produced.
(FR)
La présente invention concerne un procédé et un système permettant d'accéder à des couches de dépôts souterrains à partir de la surface, qui pratiquement suppriment ou réduisent les inconvénients et les problèmes inhérents aux procédés et aux systèmes précédents. Ladite invention comporte, en particulier, un puits articulé et un système de drainage qui coupe un puits à cavité horizontale. Les systèmes de drainage permettent d'accéder à une grande zone souterraine à partir de la surface tandis que le puits à cavité verticale permet le prélèvement et/ou la production efficace de l'eau, des hydrocarbures et aux autres dépôts entraînés
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