MUD D-GASSER
Filed: December 8, 1955
MECHANICAL MUD TREATERS FOR OIL FIELD USE
Owned by: M-I DRILLING FLUIDS L.L.C.
Serial Number: 71699662
SALINEX
Filed: February 17, 1988
LIQUID CHEMICAL EMULSIFIER FOR USE IN DRILLING FLUIDS CONTAINING SALT AND ACTIVE CALCIUM AND MAGNESIUM COMPOUNDS
Owned by: M-I DRILLING FLUIDS L.L.C.
Serial Number: 73711737
VERSA SWA
Filed: May 18, 1988
ADDITIVES FOR DRILLING FLUIDS, SPECIFICALLY, SURFACE ACTIVE AGENTS, FOR USE IN THE OIL WELL DRILLING INDUSTRY
Owned by: M-I DRILLING FLUIDS L.L.C.
Serial Number: 73729048
VERSATHIN
Filed: May 18, 1988
ADDITIVES FOR DRILLING FLUIDS, SPECIFICALLY, SURFACTANTS FOR USE IN THE OIL WELL DRILLING INDUSTRY
Owned by: M-I DRILLING FLUIDS L.L.C.
Serial Number: 73729056
VERSACOAT
Filed: May 18, 1988
DRILLING FLUID ADDITIVES, SPECIFICALLY, SURFACTANTS, FOR USE IN THE OIL WELL DRILLING INDUSTRY
Owned by: M-I DRILLING FLUIDS L.L.C.
Serial Number: 73729058
VERSACLEAN
Filed: May 18, 1988
OIL MUD SYSTEM WHICH USES EMULSIFIERS, WETTING AGENTS, GELLING AGENTS AND FLUID LOSS CONTROL ADDITIVES WITH VERSA NAMES,…
Owned by: M-I DRILLING FLUIDS L.L.C.
Serial Number: 73729062
K-17
Filed: May 18, 1988
LIGNITE USED AS A COMPONENT OF A FLUID DRILLING SYSTEM FOR USE IN THE OIL WELL DRILLING INDUSTRY
Owned by: M-I DRILLING FLUIDS L.L.C.
Serial Number: 73729063
M-I BAR
Filed: May 18, 1988
ADDITIVES FOR DRILLING FLUIDS FOR USE IN THE OIL WELL DRILLING INDUSTRY
Owned by: M-I DRILLING FLUIDS L.L.C.
Serial Number: 73729175
M-I DRILLING FLUIDS
Filed: August 18, 1988
OIL WELL DRILLING AND TESTING SERVICES
Owned by: M-I DRILLING FLUIDS L.L.C.
Serial Number: 73746803
M-I
Filed: August 18, 1988
OIL WELL DRILLING AND TESTING SERVICES
Owned by: M-I DRILLING FLUIDS L.L.C.
Serial Number: 73746804
SWACO GEOLOGRAPH
Filed: January 19, 1993
construction and repair services, namely soil washing services; and petroleum industry services, namely installation services…
Owned by: M-I DRILLING FLUIDS L.L.C.
Serial Number: 74350678
SG-SMART
Filed: March 15, 1993
petroleum industry equipment; namely, rig instrumentation equipment which monitors the mechanics of the drilling fluids…
Owned by: M-I DRILLING FLUIDS L.L.C.
Serial Number: 74368227
EARTH-1
Filed: May 26, 1994
petroleum industry chemicals, namely a water based drilling fluid for use in the oil and gas well drilling industry
Owned by: M-I DRILLING FLUIDS L.L.C.
Serial Number: 74529944
KLA-CURE
Filed: August 17, 1994
petroleum industry chemicals, namely a hydration suppressant additive for drilling fluids for use in the oil and gas well…
Owned by: M-I DRILLING FLUIDS L.L.C.
Serial Number: 74562182
NOVADRIL
Filed: November 9, 1994
petroleum industry chemicals, namely a synthetic liquid based drilling fluid for use in the oil and gas well drilling industry…
Owned by: M-I DRILLING FLUIDS L.L.C.
Serial Number: 74596909
NOVALITE
Filed: March 30, 1995
petroleum industry chemicals, namely a synthetic liquid based drilling fluid for use in the oil and gas well drilling industry…
Owned by: M-I DRILLING FLUIDS L.L.C.
Serial Number: 74653860
VISUAL RHEOLOGY
Filed: May 8, 1995
computer software which displays real time or quasi-real time predictions of drilling fluids rheology
Owned by: M-I DRILLING FLUIDS L.L.C.
Serial Number: 74676687
VISUAL HYDRAULICS
Filed: May 8, 1995
computer software which displays real time or quasi-real time predictions of drilling fluids hydraulics
Owned by: M-I DRILLING FLUIDS L.L.C.
Serial Number: 74676689
FLO-PRO
Filed: June 7, 1995
petroleum industry chemicals, namely a water based drill-in fluid for use in the oil and gas well drilling industry, primarily…
Owned by: M-I DRILLING FLUIDS L.L.C.
Serial Number: 74685602
FLO-VIS
Filed: June 7, 1995
petroleum industry chemicals, namely a rheology additive for use in the oil and gas well drilling industry
Owned by: M-I DRILLING FLUIDS L.L.C.
Serial Number: 74685607
POLY-KWIK
Filed: November 13, 1995
water well drilling fluids additive used to provide viscosity and shale stabilization
Owned by: M-I DRILLING FLUIDS L.L.C.
Serial Number: 75018680
KWIK-GROUT
Filed: November 13, 1995
water well drilling fluids additive used for plugging drilled holes and as a sealant
Owned by: M-I DRILLING FLUIDS L.L.C.
Serial Number: 75018682
KWIK-DRIL
Filed: November 13, 1995
water well drilling fluids product - primarily used for mud stability, hole cleaning, lowering fluid loss, and preventing…
Owned by: M-I DRILLING FLUIDS L.L.C.
Serial Number: 75018683
KWIK-BEN
Filed: November 13, 1995
water well drilling fluids additive used for plugging drilled holes and as a sealant
Owned by: M-I DRILLING FLUIDS L.L.C.
Serial Number: 75018684
FEDERAL KWIK-FOAM
Filed: November 13, 1995
water well drilling fluids product - primarily used in a stiff foam system or in a continuous foam system
Owned by: M-I DRILLING FLUIDS L.L.C.
Serial Number: 75018686
MI DRILLING FLUIDS
Filed: March 26, 1996
oil well drilling services
Owned by: M-I DRILLING FLUIDS L.L.C.
Serial Number: 75078770
POLYSTAR
Filed: April 9, 1996
petroleum industry chemicals for use in the oil and gas well drilling industry, namely, high temperature, water based drilling…
Owned by: M-I DRILLING FLUIDS L.L.C.
Serial Number: 75085814
VERSAPLUS
Filed: April 9, 1996
petroleum industry chemicals for use in the oil and gas well drilling industry, namely, oil based drilling mud
Owned by: M-I DRILLING FLUIDS L.L.C.
Serial Number: 75085815
MSDISK
Filed: April 16, 1996
computer software which displays material safety data sheets for communication of hazards of chemicals and protective measures…
Owned by: M-I DRILLING FLUIDS L.L.C.
Serial Number: 75089404
