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Apparatus and method of landing a well in a target zone

A target and zone technology, applied in drilling equipment and methods, drilling equipment, directional drilling, etc.

Inactive Publication Date: 2014-05-28
HALLIBURTON ENERGY SERVICES INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

This second approach can cause the well path to overshoot from the desired target zone, and it is only effective if the well is highly deviated at the point of intersection

Method used

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  • Apparatus and method of landing a well in a target zone
  • Apparatus and method of landing a well in a target zone
  • Apparatus and method of landing a well in a target zone

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Embodiment Construction

[0016] The following detailed description refers to the accompanying drawings which show, by way of illustration and not limitation, various embodiments in which the invention may be practiced. These embodiments are described in sufficient detail to enable those skilled in the art to practice these and other embodiments. Other embodiments may be utilized and structural, logical, and electrical changes may be made to these embodiments. The various embodiments are not necessarily mutually exclusive, as some embodiments can be combined with one or more other embodiments to form new embodiments. Accordingly, the ensuing detailed description should not be read in a limiting sense.

[0017] In various embodiments, an ultra-deep sensing approach is utilized that enables the well to optimally land in the target zone without branching and reduces or eliminates overshoot. This approach can be achieved using deep probing tools that can detect boundaries from a distance large enough to ...

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Abstract

Various embodiments include apparatus and methods to land a well in a target zone with minimal or no overshoot of a target zone. The well may be directed to a target in the target zone based on the separation distance between a transmitter sensor (212) and a receiver sensor (214) being sufficiently large to detect a boundary of the target zone from a distance from the boundary of the target zone such that collected received signals from activating the transmitter sensor (212) can be processed in a time that provides minimal or no overshoot of a target zone. Additional apparatus, systems, and methods are disclosed.

Description

technical field [0001] The present invention generally relates to devices for making measurements related to oil and gas exploration. Background technique [0002] In drilling wells for oil and gas exploration, understanding the structure and properties of relevant geological information provides information that facilitates such exploration. Optimal placement of wells in hydrocarbon zones (payzones) often requires geosteering with deviated or horizontal well trajectories, since most payzones extend along the horizontal plane. Geosteering is the conscious control to adjust the direction of drilling. Existing approaches based on geosteering in well layouts include intersecting and locating the pay zone, then moving the drill string to a higher position and starting a new branch approaching the target zone from the top. This first way is time consuming in that drilling needs to be stopped and the equipment for branching needs to be lowered into the well. Another existing ap...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E21B7/06E21B47/00E21B47/022
CPCE21B47/022E21B47/00E21B7/068E21B44/02
Inventor 迈克尔·S·比塔尔巴里斯·居内尔布尔考伊·东德勒哲路易斯·E·桑·马丁
Owner HALLIBURTON ENERGY SERVICES INC
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