Inventor
Mark Elliott Willis
Inventor
Katy, TX, US
Overview
Patents· 17 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G01Vprimary
G01VGeophysics50%
E21BEarth or rock drilling21%
G01HMeasurement of mechanical vibrations or ultrasonic, sonic or infrasonic waves12%
G01BMeasuring length, thickness or similar linear dimensions3%
G01DMeasuring not specially adapted for a specific variable3%
G01NInvestigating or analysing materials by determining their chemical or physical properties3%
G02BOptical elements, systems or apparatus3%
G06QInformation and communication technology [ict] specially adapted for administrative, commercial, financial, managerial or supervisory purposes3%
G10KSound-producing devices3%
PatentTitleYear
10,495,779Downhole sensing cable system for improved seismic energy coupling to the cable system201910,444,391Noise removal for distributed acoustic sensing data201910,422,910Systems and methods for correcting off-center acoustic sondes201910,401,519Noise removal for distributed acoustic sensing data201910,386,516Time-lapse 4D scattering for imaging hydraulically induced fractures201910,324,212Prediction ahead of bit using vertical seismic profile data and global inversion201910,310,118Shear wave source for VSP and surface seismic exploration201910,281,606Creating 3C distributed acoustic sensing data201910,180,515Trace downsampling of distributed acoustic sensor data20199,804,281'Migration velocity analysis method for VSP data'20179,797,243'Geophysical prospecting by processing vertical seismic profiles using downward continuation'20179,702,244'Distributed acoustic sensing gauge length effect mitigation'20179,606,254'Determining cement impedance from a formation boundary'20178,982,671'Seismic energy sources and methods of use'20154,887,244'Method for seismic trace interpolation using a forward and backward application of wave equation datuming'19894,683,556'Method for identifying arrival times of waveforms on acoustic borehole well logs'19874,683,557'Acoustic logging method for identifying subsurface formation boundaries'1987Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1987–1989Patents assigned to MOBIL OIL CORP (3)· patent assignee history
1987–1989Based in Carrollton, TX, US· patent location history
2015Patents assigned to AY ERKAN (1)· patent assignee history
2015Patents assigned to CHEN TIANRUN (1)· patent assignee history
2015–2019Based in Katy, TX, US· patent location history
2017–2019Patents assigned to HALLIBURTON ENERGY SERVICES INC (12)· patent assignee history
2019Patents assigned to CONOCOPHILLIPS CO (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HALLIBURTON ENERGY SERVICES INC | 12 | 2017–2019 |
| MOBIL OIL CORP | 3 | 1987–1989 |
| AY ERKAN | 1 | 2015 |
| CHEN TIANRUN | 1 | 2015 |
| CONOCOPHILLIPS CO | 1 | 2019 |
Locations
| Location | Patents | Span |
|---|---|---|
| Katy, Texas, US | 14 | 2015–2019 |
| Carrollton, Texas, US | 3 | 1987–1989 |