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1. WO2020197680 - A COMPACT LOGGING WHILE DRILLING LOOK AROUND AND LOOK AHEAD TOOL

Publication Number WO/2020/197680
Publication Date 01.10.2020
International Application No. PCT/US2020/019790
International Filing Date 26.02.2020
IPC
E21B 47/16 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
47Survey of boreholes or wells
12Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling
14using acoustic waves
16through the drill string or casing
E21B 49/00 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
49Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells
CPC
E21B 47/12
EFIXED CONSTRUCTIONS
21EARTH DRILLING; MINING
BEARTH DRILLING, e.g. DEEP DRILLING
47Survey of boreholes or wells
12Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling
E21B 49/00
EFIXED CONSTRUCTIONS
21EARTH DRILLING; MINING
BEARTH DRILLING, e.g. DEEP DRILLING
49Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells
E21B 49/08
EFIXED CONSTRUCTIONS
21EARTH DRILLING; MINING
BEARTH DRILLING, e.g. DEEP DRILLING
49Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells
08Obtaining fluid samples or testing fluids, in boreholes or wells
Applicants
  • HALLIBURTON ENERGY SERVICES, INC. [US]/[US]
Inventors
  • HENSARLING, Jesse Kevin
  • GRIFFING, Matthew Chase
Agents
  • COREY S. TUMEY
Priority Data
16/361,80322.03.2019US
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) A COMPACT LOGGING WHILE DRILLING LOOK AROUND AND LOOK AHEAD TOOL
(FR) OUTIL COMPACT DE RECHERCHE ET D'ANTICIPATION PENDANT LE FORAGE POUR DIAGRAPHIE
Abstract
(EN)
A compact sub assembly and a method for forming a deep antenna. The assembly may comprise a look-ahead deep transmitter is attached at about one end of the compact sub assembly, and a shallow transmitter is attached to the compact sub assembly and positioned adjacent to the look-ahead deep transmitter. A method of forming a deep antenna may comprise positioning a look-ahead deep transmitter adjacent to a shallow transmitter at about one end of a compact sub assembly, and connecting the look-ahead deep transmitter to a switching module through one or more deep switches, connecting the shallow transmitter to the switching module through one or more shallow switches, and closing the one or more deep switches and the one or more shallow switches to activate the look-ahead deep transmitter and the shallow transmitter to form the deep antenna.
(FR)
L'invention concerne un sous-ensemble compact et un procédé de formation d'une antenne profonde. L'ensemble peut comprendre un émetteur profond à anticipation fixé à environ une extrémité du sous-ensemble compact et un émetteur peu profond fixé au sous-ensemble compact et adjacent à l'émetteur profond à anticipation. Un procédé de formation d'une antenne profonde peut consister à positionner un émetteur profond à anticipation adjacent à un émetteur peu profond à environ une extrémité d'un sous-ensemble compact et à connecter l'émetteur profond à anticipation à un module de commutation par l'intermédiaire d'un ou de plusieurs commutateurs profonds, à connecter l'émetteur peu profond au module de commutation par l'intermédiaire d'un ou de plusieurs commutateurs peu profonds et à fermer le ou les commutateurs profonds et le ou les commutateurs peu profonds pour activer l'émetteur profond à anticipation et l'émetteur peu profond pour former l'antenne profonde.
Also published as
Latest bibliographic data on file with the International Bureau