Schlumberger Technology Corporation

Brett Rimmer

J Ernest Brown

Keng Seng Chan

Arthur Milne

Mark Brady

Francisco Fragachan

Arthur William Milne

Alan Saxon

A method of delivering chemicals such as scale inhibitor into a wellbore producing fluids includes providing the chemicals, in a slow-release form, in a container located in the path of the production fluids so that the production fluids pass through the container. Preferably, the container is suspended in the production tubing and periodically retrieved from the well to be refilled.

Method for providing treatment chemicals in a subterranean well

Propped fractures in formations from which fluids are produced are described that have wormholes extending out into the formations from the faces of the fractures at locations distant from boreholes. Methods are given for creating such propped fractures having wormholes in which either a closed propped fracture is formed and then the wormholes are formed, or the entire fracture and channel system is formed before the closure occurs.

Propped fracture with high effective surface area

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Sugar Land, TX, United States of America

Brett Rimmer