whipstock การใช้

• A piece of bent pipe ( a " bent sub " ) between the stationary drill pipe and the top of the motor allowed the direction of the wellbore to be changed without needing to pull all the drill pipe out and place another whipstock.
• "It is characteristic of mankind, " they wrote, " to make as little adjustment as possible in customary ways in the face of new conditions; the process of social change is epitomized in the fact that the first Packard car body delivered to the manufacturer had a whipstock on the dashboard ."
• In a May, 1934, " Popular Science Monthly " article, it was stated that " Only a handful of men in the world have the strange power to make a bit, rotating a mile below ground at the end of a steel drill pipe, snake its way in a curve or around a dog-leg angle, to reach a desired objective . " Eastman Whipstock, Inc ., would become the world's largest directional company in 1973.
• Tara became the most exciting place in the city, the centre of high-spirited entertaining of diplomats, officers, writers, lecturers, war correspondents and Coptic and Levantine party-goers, under the guiding hand of " Princess Dneiper-Petrovsk " ( Countess Sophie Tarnowska ) and the young buccaneers-" Sir Eustace Rapier " ( Lt-Col . Neil ( Billy ) McLean ), " the Marquis of Whipstock " ( Col David Smiley LVO OBE MC ), " the Hon, Rupert Sabretache " ( Rowland Winn MC ), " Lord Hughe Devildrive " ( Major Xan Fielding DSO ), " Lord Pintpot " ( Arnold Breene ), " Lord Rakehell " ( Lt-Col Patrick Leigh-Fermor DSO ) and " Mr Jack Jargon " ( Capt W . Stanley Moss MC ).