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Patent Assignment Details
NOTE:Results display only for issued patents and published applications. For pending or abandoned applications please consult USPTO staff.

Reel/Frame:045801/0961   Pages: 5
Recorded: 05/15/2018
Attorney Dkt #:FM PESI TO WTH
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Total properties: 30
1
Patent #:
7139350
Issue Dt:
11/21/2006
Application #:
10307033
Filing Dt:
11/27/2002
Publication #:
US20030138067
Pub Dt:
07/24/2003
Title:
METHOD AND APPARATUS FOR MEASURING RADIATION IN A BOREHOLE
2
Patent #:
7475593
Issue Dt:
01/13/2009
Application #:
11166879
Filing Dt:
06/24/2005
Publication #:
US20060288769
Pub Dt:
12/28/2006
Title:
HIGH TEMPERATURE NEAR INFRARED FOR MEASUREMENTS AND TELEMETRY IN WELL BOREHOLES
3
Patent #:
7471591
Issue Dt:
12/30/2008
Application #:
11316024
Filing Dt:
12/21/2005
Publication #:
US20070140055
Pub Dt:
06/21/2007
Title:
METHOD AND APPARATUS FOR AZIMUTHAL LOGGING OF SHEAR WAVES IN BOREHOLES USING OPTIONALLY ROTATABLE TRANSMITTER AND RECEIVER ASSEMBLIES
4
Patent #:
7537061
Issue Dt:
05/26/2009
Application #:
11423909
Filing Dt:
06/13/2006
Publication #:
US20070284116
Pub Dt:
12/13/2007
Title:
SYSTEM AND METHOD FOR RELEASING AND RETRIEVING MEMORY TOOL WITH WIRELINE IN WELL PIPE
5
Patent #:
7836955
Issue Dt:
11/23/2010
Application #:
11695120
Filing Dt:
04/02/2007
Publication #:
US20080236834
Pub Dt:
10/02/2008
Title:
WIRELINE BAILING SYSTEM FOR REMOVING LARGE VOLUMES OF LIQUID FROM A BOREHOLE
6
Patent #:
7571768
Issue Dt:
08/11/2009
Application #:
11740171
Filing Dt:
04/25/2007
Publication #:
US20080105430
Pub Dt:
05/08/2008
Title:
METHOD AND APPARATUS FOR PERFORATING A CASING AND PRODUCING HYDROCARBONS
7
Patent #:
7805999
Issue Dt:
10/05/2010
Application #:
11855577
Filing Dt:
09/14/2007
Publication #:
US20090071240
Pub Dt:
03/19/2009
Title:
APPARATUS AND METHODS FOR MEASURING PRESSURE USING A FORMATION TESTER
8
Patent #:
7508506
Issue Dt:
03/24/2009
Application #:
11865587
Filing Dt:
10/01/2007
Publication #:
US20080078544
Pub Dt:
04/03/2008
Title:
METHOD AND APPARATUS FOR PERFORMING SPECTROSCOPY DOWNHOLE WITHIN A WELLBORE
9
Patent #:
7885142
Issue Dt:
02/08/2011
Application #:
11866221
Filing Dt:
10/02/2007
Publication #:
US20090086575
Pub Dt:
04/02/2009
Title:
METHOD AND APPARATUS FOR LOGGING FOAM CEMENT IN CASED BOREHOLES
10
Patent #:
7807962
Issue Dt:
10/05/2010
Application #:
11955608
Filing Dt:
12/13/2007
Publication #:
US20090152456
Pub Dt:
06/18/2009
Title:
BOREHOLE TESTER APPARATUS AND METHODS FOR USING NUCLEAR ELECTROMAGNETIC RADIATION TO DETERMINE FLUID PROPERTIES
11
Patent #:
8141628
Issue Dt:
03/27/2012
Application #:
11967384
Filing Dt:
12/31/2007
Publication #:
US20090169319
Pub Dt:
07/02/2009
Title:
DOWNHOLE DEBURRING TOOL
12
Patent #:
7755973
Issue Dt:
07/13/2010
Application #:
12034990
Filing Dt:
02/21/2008
Publication #:
US20090213689
Pub Dt:
08/27/2009
Title:
ULTRASONIC LOGGING METHODS AND APPARATUS FOR AUTOMATICALLY CALIBRATING MEASURES OF ACOUSTIC IMPEDANCE OF CEMENT AND OTHER MATERIALS BEHIND CASING
13
Patent #:
7806202
Issue Dt:
10/05/2010
Application #:
12038715
Filing Dt:
02/27/2008
Publication #:
US20080210470
Pub Dt:
09/04/2008
Title:
SYSTEM AND METHOD FOR RESERVOIR CHARACTERIZATION USING UNDERBALANCED DRILLING DATA
14
Patent #:
7999220
Issue Dt:
08/16/2011
Application #:
12129812
Filing Dt:
05/30/2008
Publication #:
US20090296084
Pub Dt:
12/03/2009
Title:
BOREHOLE MEASUREMENTS USING A FAST AND HIGH ENERGY RESOLUTION GAMMA RAY DETECTOR ASSEMBLY
15
Patent #:
8324912
Issue Dt:
12/04/2012
Application #:
12236591
Filing Dt:
09/24/2008
Publication #:
US20090085583
Pub Dt:
04/02/2009
Title:
MEASUREMENT TOOL AND METHOD OF USE
16
Patent #:
7810564
Issue Dt:
10/12/2010
Application #:
12261661
Filing Dt:
10/30/2008
Publication #:
US20100109906
Pub Dt:
05/06/2010
Title:
MEMORY LOGGING SYSTEM FOR DETERMINING THE CONDITION OF A SLIDING SLEEVE
17
Patent #:
8281646
Issue Dt:
10/09/2012
Application #:
12335981
Filing Dt:
12/16/2008
Publication #:
US20090193889
Pub Dt:
08/06/2009
Title:
MEASUREMENT TOOL AND METHOD OF USE
18
Patent #:
7728971
Issue Dt:
06/01/2010
Application #:
12342650
Filing Dt:
12/23/2008
Publication #:
US20090103087
Pub Dt:
04/23/2009
Title:
METHOD AND APPARATUS FOR PERFORMING SPECTROSCOPY DOWNHOLE WITHIN A WELLBORE
19
Patent #:
8134477
Issue Dt:
03/13/2012
Application #:
12406236
Filing Dt:
03/18/2009
Publication #:
US20090237267
Pub Dt:
09/24/2009
Title:
DOWNHOLE TELEMETRY THROUGH MULTI-CONDUCTOR WIRELINE
20
Patent #:
7905285
Issue Dt:
03/15/2011
Application #:
12503724
Filing Dt:
07/15/2009
Publication #:
US20090272527
Pub Dt:
11/05/2009
Title:
METHOD AND APPARATUS FOR PERFORATING A CASING AND PRODUCING HYDROCARBONS
21
Patent #:
8436296
Issue Dt:
05/07/2013
Application #:
12613665
Filing Dt:
11/06/2009
Publication #:
US20110108721
Pub Dt:
05/12/2011
Title:
FILTER WHEEL ASSEMBLY FOR DOWNHOLE SPECTROSCOPY
22
Patent #:
8164050
Issue Dt:
04/24/2012
Application #:
12613700
Filing Dt:
11/06/2009
Publication #:
US20110108719
Pub Dt:
05/12/2011
Title:
MULTI-CHANNEL SOURCE ASSEMBLY FOR DOWNHOLE SPECTROSCOPY
23
Patent #:
8735803
Issue Dt:
05/27/2014
Application #:
12613808
Filing Dt:
11/06/2009
Publication #:
US20110108720
Pub Dt:
05/12/2011
Title:
Multi-Channel Detector Assembly for Downhole Spectroscopy
24
Patent #:
8542353
Issue Dt:
09/24/2013
Application #:
12894324
Filing Dt:
09/30/2010
Publication #:
US20120081698
Pub Dt:
04/05/2012
Title:
REFRACTIVE INDEX SENSOR FOR FLUID ANALYSIS
25
Patent #:
8411262
Issue Dt:
04/02/2013
Application #:
12894342
Filing Dt:
09/30/2010
Publication #:
US20120081699
Pub Dt:
04/05/2012
Title:
DOWNHOLE GAS BREAKOUT SENSOR
26
Patent #:
8839668
Issue Dt:
09/23/2014
Application #:
13188947
Filing Dt:
07/22/2011
Publication #:
US20130019672
Pub Dt:
01/24/2013
Title:
AUTONOMOUS FORMATION PRESSURE TEST PROCESS FOR FORMATION EVALUATION TOOL
27
Patent #:
8918288
Issue Dt:
12/23/2014
Application #:
13274160
Filing Dt:
10/14/2011
Publication #:
US20130096835
Pub Dt:
04/18/2013
Title:
Clustering Process for Analyzing Pressure Gradient Data
28
Patent #:
9581580
Issue Dt:
02/28/2017
Application #:
13661676
Filing Dt:
10/26/2012
Publication #:
US20130049773
Pub Dt:
02/28/2013
Title:
MEASUREMENT TOOL AND METHOD OF USE
29
Patent #:
9771797
Issue Dt:
09/26/2017
Application #:
14467504
Filing Dt:
08/25/2014
Publication #:
US20140360258
Pub Dt:
12/11/2014
Title:
AUTONOMOUS FORMATION PRESSURE TEST PROCESS FOR FORMATION EVALUATION TOOL
30
Patent #:
NONE
Issue Dt:
Application #:
15160300
Filing Dt:
05/20/2016
Publication #:
US20160265335
Pub Dt:
09/15/2016
Title:
Analyzing Toolface Velocity to Detect Detrimental Vibration During Drilling
Assignor
1
PRECISION ENERGY SERVICES, INC.
Exec Dt:
05/14/2018
Assignee
1
WEATHERFORD TECHNOLOGY HOLDINGS, LLC
2000 ST JAMES PLACE
HOUSTON, TEXAS 77056
Correspondence name and address
KATRINA BAKER
2000 ST JAMES PLACE
HOUSTON, TX 77056

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