|
US3991850A
(en)
*
|
1975-01-08 |
1976-11-16 |
Schlumberger Technology Corporation |
Noise-attenuating positioners for acoustic well-logging tools
|
|
US4255798A
(en)
*
|
1978-05-30 |
1981-03-10 |
Schlumberger Technology Corp. |
Method and apparatus for acoustically investigating a casing and cement bond in a borehole
|
|
NL187089C
(nl)
*
|
1977-07-11 |
1991-05-16 |
Schlumberger Prospection |
Werkwijze voor het bepalen van de kwaliteit van de cementhechting rondom een verbuizing.
|
|
USRE31607E
(en)
*
|
1977-07-28 |
1984-06-19 |
Shell Oil Company |
Circumferential acoustical detector
|
|
DE2743394C3
(de)
*
|
1977-09-27 |
1980-06-26 |
Endress U. Hauser Gmbh U. Co, 7867 Maulburg |
Vorrichtung zur Befestigung eines für die Füllstandsmessung bestimmten Schall- oder Ultraschallwandlers an einem Behälter
|
|
US4283953A
(en)
*
|
1978-10-30 |
1981-08-18 |
Schlumberger Technology Corporation |
Method and apparatus for determining a granularity property of a subsurface formation around a borehole
|
|
US4293934A
(en)
*
|
1979-06-18 |
1981-10-06 |
Shell Oil Company |
Circumferential acoustic device
|
|
US4312052A
(en)
*
|
1980-04-21 |
1982-01-19 |
Shell Oil Company |
Method for identifying weak sands
|
|
FR2486997A1
(fr)
*
|
1980-07-15 |
1982-01-22 |
Inst Francais Du Petrole |
Methode pour determiner le pendage de formations geologiques traversees par un sondage
|
|
FR2491622A1
(fr)
*
|
1980-10-02 |
1982-04-09 |
Rech Geolog Miniere |
Appareil automatique de determination continue de coefficients de reflexion a partir d'un signal sismique
|
|
US4403508A
(en)
*
|
1981-06-10 |
1983-09-13 |
Langlois Gary N |
Locating interfaces in vertically-layered materials and determining concentrations in mixed materials utilizing acoustic impedance measurements
|
|
NL8200586A
(nl)
*
|
1982-02-16 |
1983-09-16 |
Fokker Bv |
Omzetter van elektrische in mechanische trillingen ten behoeve van het niet-destructief onderzoek van objecten.
|
|
US4692908A
(en)
*
|
1982-03-24 |
1987-09-08 |
Schlumberger-Doll Research |
Method and apparatus for investigating stand-off in a borehole
|
|
US4445378A
(en)
*
|
1982-11-24 |
1984-05-01 |
The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration |
Acoustic ground impedance meter
|
|
FR2538562B1
(fr)
*
|
1982-12-27 |
1985-07-19 |
Inst Francais Du Petrole |
Methode et appareillage de detection des fractures par echographie ultrasonique le long de la paroi d'un materiau ou d'une formation
|
|
DE3305189C2
(de)
*
|
1983-02-11 |
1987-05-07 |
Prakla-Seismos AG, 3000 Hannover |
Bohrloch-Sonde
|
|
US4523122A
(en)
*
|
1983-03-17 |
1985-06-11 |
Matsushita Electric Industrial Co., Ltd. |
Piezoelectric ultrasonic transducers having acoustic impedance-matching layers
|
|
FR2554600B1
(fr)
*
|
1983-11-09 |
1986-02-07 |
Elf Aquitaine |
Dispositif de mesure pour profil sismique dans un puits de forage
|
|
FR2556478B1
(fr)
*
|
1983-12-09 |
1986-09-05 |
Elf Aquitaine |
Procede et dispositif de mesures geophysiques dans un puits fore
|
|
US4556814A
(en)
*
|
1984-02-21 |
1985-12-03 |
Ngk Spark Plug Co., Ltd. |
Piezoelectric ultrasonic transducer with porous plastic housing
|
|
FR2561394B1
(fr)
*
|
1984-02-28 |
1987-03-20 |
Inst Francais Du Petrole |
Dispositif de reception d'ondes acoustiques dans un puits
|
|
FR2592157B1
(fr)
*
|
1985-12-20 |
1988-02-12 |
Elf Aquitaine |
Procede et dispositif de mesure des vitesses et des contraintes vibratoires d'ondes se propageant dans les formations entourant un puits fore.
|
|
US4651566A
(en)
*
|
1986-04-28 |
1987-03-24 |
The Boeing Company |
Portable impedance meter for non-destructive testing of sound absorbing panels
|
|
US4850449A
(en)
*
|
1986-06-16 |
1989-07-25 |
The Standard Oil Company |
Piezoelectric seismic vibration device and method
|
|
US5005665A
(en)
*
|
1986-06-16 |
1991-04-09 |
The Standard Oil Company |
Piezoelectric seismic vibration device and method
|
|
US4768379A
(en)
*
|
1986-07-25 |
1988-09-06 |
Grumman Aerospace Corporation |
Method and apparatus for determining flow resistance of fully assembled acoustic liners
|
|
US4852069A
(en)
*
|
1986-12-31 |
1989-07-25 |
Shell Oil Company |
Thin bed evaluation device
|
|
FR2618910B1
(fr)
*
|
1987-07-28 |
1989-10-27 |
Inst Francais Du Petrole |
Methode et dispositif pour ameliorer le coefficient de transmission aux formations geologiques de l'energie creee par une source sismique de puits
|
|
US5200581A
(en)
*
|
1987-08-13 |
1993-04-06 |
Schlumberger Technology Corporation |
Method of coupling a seimic detector module to the wall of a borehole, and a sonde for implementing the method
|
|
DZ1241A1
(fr)
*
|
1987-08-13 |
2004-09-13 |
Schlumberger Ltd |
Procédé pour coupler un module de détection sismique à la paroi d'un sondage et sonde pour sa mise en oeuvre.
|
|
US4817062A
(en)
*
|
1987-10-02 |
1989-03-28 |
Western Atlas International, Inc. |
Method for estimating subsurface porosity
|
|
US5146050A
(en)
*
|
1989-04-25 |
1992-09-08 |
Western Atlas International, Inc. |
Method and apparatus for acoustic formation dip logging
|
|
US5072388A
(en)
*
|
1990-01-31 |
1991-12-10 |
Union Oil Company Of California |
Lined casing inspection method
|
|
FR2674029B1
(fr)
*
|
1991-03-11 |
1993-06-11 |
Inst Francais Du Petrole |
Methode et appareillage de prospection par ondes acoustiques dans des puits de production.
|
|
US5541889A
(en)
*
|
1995-01-31 |
1996-07-30 |
Western Atlas International |
Borehole fluid replacement means and method
|
|
US6134968A
(en)
*
|
1999-07-19 |
2000-10-24 |
The Boeing Company |
Portable acoustic impedance measurement system
|
|
US7017412B2
(en)
*
|
2002-04-18 |
2006-03-28 |
University Of Utah Research Foundation |
Continuous wave ultrasonic process monitor for polymer processing
|
|
US20070005251A1
(en)
*
|
2005-06-22 |
2007-01-04 |
Baker Hughes Incorporated |
Density log without a nuclear source
|
|
US7656747B2
(en)
*
|
2005-07-22 |
2010-02-02 |
Halliburton Energy Services, Inc. |
Ultrasonic imaging in wells or tubulars
|
|
US8104350B2
(en)
*
|
2009-02-27 |
2012-01-31 |
The Boeing Company |
Automated thickness measurement device
|
|
NO20100445A1
(no)
|
2010-03-26 |
2011-09-27 |
Fmc Kongsberg Subsea As |
Fremgangsmate og anordning for a detektere et materiale mellom et foringsror og et lederror i en undersjoisk bronn
|
|
US9081110B2
(en)
*
|
2012-12-18 |
2015-07-14 |
Schlumberger Technology Corporation |
Devices, systems and methods for low frequency seismic borehole investigations
|
|
AU2014307022B2
(en)
*
|
2013-08-15 |
2017-03-02 |
Halliburton Energy Services, Inc. |
Determining cement impedance from a formation boundary
|
|
US20150122479A1
(en)
*
|
2013-11-05 |
2015-05-07 |
Piezotech, Llc |
Time of flight through mud
|
|
GB2520969A
(en)
*
|
2013-12-05 |
2015-06-10 |
Maersk Olie & Gas |
Downhole sonar
|
|
US10358905B2
(en)
*
|
2014-01-13 |
2019-07-23 |
Weatherford Technology Holdings, Llc |
Ultrasonic logging methods and apparatus for measuring cement and casing properties using acoustic echoes
|
|
US10107094B2
(en)
|
2014-07-18 |
2018-10-23 |
Halliburton Energy Services, Inc. |
Formation density or acoustic impedance logging tool
|
|
US9664030B2
(en)
*
|
2014-11-05 |
2017-05-30 |
Piezotech Llc |
High frequency inspection of downhole environment
|
|
CN104500053B
(zh)
*
|
2014-12-11 |
2017-05-10 |
中国石油天然气集团公司 |
一种用于岩样测试的复合探头
|
|
US10178459B2
(en)
|
2016-03-09 |
2019-01-08 |
Mrspeakers, Llc |
Loudspeaker with acoustic impedance system
|
|
US11719090B2
(en)
|
2019-03-22 |
2023-08-08 |
Baker Hughes Oilfield Operations Llc |
Enhanced cement bond and micro-annulus detection and analysis
|
