LandOfFree - US Patents - Listing for Wells

Wells – Processes – Cementing – plugging or consolidating

Non-retarding fluid loss additives for well cementing compositio

Wells – Central member with pre-set packer or plug in same conduit

Non-rotatable, straight pull shearable packer plug

Wells – Pistons – fluid driven into well

Non-rotating cement wiper plugs

Wells – Packers or plugs – Flow stopping type; e.g. – plug

Non-rotating cementing plug with molded inserts

Wells – Above ground apparatus – With assembly or disassembly means

Non-rotating pitless adapter

Wells – Pistons – fluid driven into well

Non-rotating plug

Wells – Pistons – fluid driven into well

Non-rotating plug set

Wells – Submerged well – Connection or disconnection of submerged members remotely...

Non-rotating stabilizer for drill string

Wells – Central chamber sealed with respect to prepositioned...

Non-rotational casing hanger and seal assembly running tool

Wells – Packers or plugs – With expanding anchor

Non-rotational versa-trieve packer

Wells – Processes – Placing or shifting well part

Non-seize material attachment for a drill slip system

Wells – Processes – Placing or shifting well part

Non-seize material attachment for a drill slip system

Non-solvent bonded plastic well screen assembly

Wells – Screens – Spiral

Wells – Processes – Specific propping feature

Non-spherical well treating particulates and methods of...

Wells – Processes – Assembling well part

Non-tubing deployed well artificial lift system

Wells – Guide for device or conduit – On sucker or pump rod

Non-weld casing centralizer

Wells – Means for guiding insertable element laterally of well axis

Non-welded bore selector assembly

Wells – Submerged well – Means removably connected to permanent well structure

Normally closed retainer valve with fail-safe pump through capab

Wells – Submerged well – Means removably connected to permanent well structure

Normally closed retainer valve with fail-safe pump through capab