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Repeat Precision, LLC

Gary Howard Martin

Clint Mickey

William Grant Martin

Wei Huang

David Brookes

Carlos Calderón

Guoquan Chen

Ivan Berranger

A setting tool for setting frac plugs and the like can include a mandrel having a chamber for housing expandable gas and a gas port in fluid communication with the chamber; a firing head secured to the mandrel for igniting a power charge to generate pressurized gas within the chamber; a barrel piston housing the mandrel and connected to a sleeve for setting the frac plug; and an expansion region defined between the mandrel and the barrel piston and receiving the pressurized gas which exerts force to cause a stroke of the barrel piston over the mandrel as the expansion region expands axially. The setting tool can include various features, such as certain gas bleed systems, an enhanced shear screw assembly, a bleed port and plug assembly, a scribe line, a particular gas port configuration, a liquid escape conduit, no-shoulder barrel configuration, and/or a low-force design for frac plugs.

Setting tools and assemblies for setting a downhole isolation device such as a frac plug

A method of geophysical exploration in a seismic survey includes acquiring a set of seismic traces based on seismic data obtained by a seismic receiver, responsive to seismic energy reflected from a subsurface geology. Additional steps include performing reverse time migration on the seismic traces using a velocity model that represents velocity of the seismic energy propagating through the seismic medium. The migrated gathers have an amplitude based at least in part on the migration, which can be corrected by computing synthetic seismograms to provide compensated gathers. Amplitude versus offset and/or amplitude versus angle analysis can be performed on the compensated gathers, in order to generate a seismic image of subsurface structures in the survey area.

Amplitude compensation of reverse time migration (RTM) gathers for AVO/AVA analysis

A vehicular steering wheel telephone apparatus is set forth wherein a centrally mounted telephone unit is positioned medially of a vehicle-type steering wheel. Positioned in overlying relationship to said telephone unit is a pair of voice receiving speakers. In underlying relationship to said telephone unit is a pair of voice transmitting microphones. An overlying pivotal closure releases the telephone for use by releasing a switch hook exposing the telephone unit for operation. Optionally, a switching means is available for switching the receiving speakers for utilization with automobile stereo speakers.

Vehicular steering wheel telephone apparatus

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Houston, TX, United States of America

Gary Howard Martin