Inventor

MICHAELS JOHN M

US21 patents

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

MICHAELS JOHN M

BAKER HUGHES INC

Formation testing while drilling apparatus with axially and spirally mounted ports

Modified formation testing apparatus with borehole grippers and method of formation testing

Closed-loop drawdown apparatus and method for in-situ analysis of formation fluids

Apparatus and method for formation testing while drilling with minimum system volume

Method and apparatus for sealing a hole made with a cased hole formation tester

Downhole PV tests for bubble point pressure

Apparatus and method for formation testing while drilling with minimum system volume

Dual piston, single phase sampling mechanism and procedure

Dual piston, single phase sampling mechanism and procedure

WESTERN ATLAS INT INC

Determining fluid properties from pressure, volume and temperature measurements made by electric wireline formation testing tools

Variable diameter probe for detecting formation damage

Method and apparatus for pressure, volume, and temperature measurement and characterization of subsurface formations

Method and apparatus for acquiring and processing subsurface samples of connate fluid

Method and apparatus for acquiring and processing subsurface samples of connate fluid

Formation fluid flow rate determination method and apparatus for electric wireline formation testing tools

Formation testing method and apparatus using multiple radially-segmented fluid probes

Electric wireline formation testing tool having temperature stabilized sample tank

DRESSER IND

Apparatus for testing earth formations

Membrane pack and method of making

Gasket arrangement for purification apparatus

MOODY MICHAEL J

Method and apparatus for forming and sealing a hole in a sidewall of a borehole