LandOfFree - US Patents - Listing for Wells,Processes,With indicating, testing, measuring or locating

Wells – Processes – With indicating – testing – measuring or locating

Perforating and testing apparatus including a microprocessor imp

Wells – Processes – With indicating – testing – measuring or locating

Perforating apparatus and method for well casing

Wells – Processes – With indicating – testing – measuring or locating

Perforation method and apparatus

Wells – Processes – With indicating – testing – measuring or locating

Permanent downhole deployment of optical sensors

Wells – Processes – With indicating – testing – measuring or locating

Permanent downhole deployment of optical sensors

Wells – Processes – With indicating – testing – measuring or locating

Petroleum recovery chemical retention prediction technique

Wells – Processes – With indicating – testing – measuring or locating

Petroleum recovery chemical retention prediction technique

Wells – Processes – With indicating – testing – measuring or locating

Piezometer actuator device and method for its installation in a

Wells – Processes – With indicating – testing – measuring or locating

Placing fiber optic sensor line

Wells – Processes – With indicating – testing – measuring or locating

Placing fiber optic sensor line

Wells – Processes – With indicating – testing – measuring or locating

Plug for use in hot oil treatment of wells having paraffin depos

Wells – Processes – With indicating – testing – measuring or locating

Plug release indication method

Wells – Processes – With indicating – testing – measuring or locating

Plugging a subterranean reservoir with a self-sealing filter cak

Wells – Processes – With indicating – testing – measuring or locating

Plugging of abandoned dry wells

Wells – Processes – With indicating – testing – measuring or locating

Plunger lift controller

Wells – Processes – With indicating – testing – measuring or locating

Polished rod liner puller assembly

Wells – Processes – With indicating – testing – measuring or locating

Polyalkoxy sulfonate, CO.sub.2 and brine drive process for oil r

Wells – Processes – With indicating – testing – measuring or locating

Polyvinyl sulfonate scale inhibitor

Wells – Processes – With indicating – testing – measuring or locating

Positive engagement indicator for wireline fishing operations