ENERTECH
Filed: April 27, 1979
Engineering Services-Namely, Design of Drill String, Tubing, Casing and Well Completion Equipment for the Petroleum Industry…
Owned by: Enertech Engineering and Research Co.
Serial Number: 73213355
WELLTEMP
Filed: April 30, 1979
Computer Software Programs and Materials Associated Therewith-Namely, a Computer Code for Determining Downhole Wellbore…
Owned by: Enertech Engineering and Research Co.
Serial Number: 73213804
ETI
Filed: April 30, 1979
Engineering Services-Namely, Design of Drill String, Casing and Well Completion Equipment for the Petroleum Industry and…
Owned by: Enertech Engineering and Research Co.
Serial Number: 73213806
WELLSTRESS
Filed: August 31, 1983
Computer Programs Recorded on Magnetic Media for Stress Analysis of Oil and/or Gas Well Components, i.e. Casings, Tubing…
Owned by: Enertech Engineering and Research Co.
Serial Number: 73441733
WELLFLOW
Filed: August 31, 1983
COMPUTER SOFTWARE PROGRAMS RECORDED ON MAGNETIC MEDIA FOR PREDICTING PRESSURE DROPS, FLOWING FLUID PROPERTIES AND HYDRAULIC…
Owned by: Enertech Engineering and Research Co.
Serial Number: 73441836
