OI

Oilfield equipment, namely, couplings for artificial lift systems, namely, sucker rod centralizing guides for use in subterranean oil and gas wells; oilfield equipment, namely, centralizers for sucker rods used in subterranean oil and gas wells; oilfield equipment, namely, paraffin scrapers for sucker rods used in subterranean oil and gas wells; wheel replacement kits for sucker rod centralizing guide couplings consisting of wheels, pins and journals

Analysis of subterranean oil and gas wells, such as computer aided analysis of well bores to assess equipment needs