Inventor

JEFFRYES BENJAMIN P

GB25 patents

⚠️ This page may combine multiple inventors who share the name “JEFFRYES BENJAMIN P”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

JEFFRYES BENJAMIN P

SCHLUMBERGER TECHNOLOGY CORP

Methods and systems for determining formation properties and in-situ stresses

Method and apparatus to vibrate a downhole component

Noise detection and suppression system and method for wellbore telemetry

Signal recognition system for wellbore telemetry

System and method for sensing a parameter in a wellbore

Method and apparatus to vibrate a downhole component

Method and apparatus to vibrate a downhole component

Method and system for fracturing subsurface formations during the drilling thereof

Wellbore drilling system

System and method for drilling a borehole

Subsurface formation core acquisition system using high speed data and control telemetry

Determination of drill bit rate of penetration from surface measurements

Automated sliding drilling

Drill string with bottom hole assembly transition section having increasing external diameter and method of use

JEFFRYES BENJAMIN P

Gas injection while drilling

Seismic vibrator to produce a continuous signal

Phase modulation and noise minimization for simultaneous vibroseis acquisition

System and method for drilling a borehole

Technique and apparatus to perform a leak off test in a well

RINGER MAURICE

Drilling optimization with a downhole motor

Optimized drilling

WESTERNGECO LLC

Seismic vibratory acquisition method and apparatus

DOLMAN LEE F

Drilling system with drill string valves

JOHNSON ASHLEY

Measuring speed of rotation of a downhole motor

HAUGVALDSTAD KJELL

Gauge pads, cutters, rotary components, and methods for directional drilling