lift frame meaning

• [Oil and gas]
  A structural device used support the injector and well control stack on floater rig operations. The lift frame is suspended by the traveling block, which is motion compensated to maintain position and weight of the drill string or riser within the derrick.

• lift:    Verb: lift &n ...
• a frame:    [Building construc ...
• a-frame:    Noun: A-frameA tim ...

Examples

1. In 1935, there were three gasholders on site, No . 1 a triple or quadruple lift of the spiral guide type, No . 2 a single lift frame-guided type and No . 3 a double lift frame-guided type, all of which have since been retired or replaced.
2. In 1935, there were three gasholders on site, No . 1 a triple or quadruple lift of the spiral guide type, No . 2 a single lift frame-guided type and No . 3 a double lift frame-guided type, all of which have since been retired or replaced.
3. In 1929, No . 3 gasholder at Doggett Street was commissioned, a four-lift frame-guided steel tank gasholder, again made from puddled iron, with a capacity of 2, 500, 000 cu . ft . ( 70, 800 m3 ), by far the largest in Brisbane.