Saudi Arabian Oil Company

Ala Edeen Herzallah

Richard Mark Pye

Amjad Alsharaawi

A wellbore system includes a drill string extending into a main wellbore and an untethered cutting tool disposed within the drill string. The untethered cutting tool includes at least one cutting element operable to sever the drill string such that an upper portion of the drill string may be withdrawn from the wellbore. A sidetrack tool is integrally coupled to an upper end of the untethered cutting tool. The sidetrack tool may include at least one of a whipstock, a whipstock latch, and a cement plug cup. The sidetrack tool may facilitate drilling a sidetrack wellbore by limiting the number of trips into the main wellbore.

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Dhahran, Saudi Arabia

Ala Edeen Herzallah