When you remove the injector, you leave this hole open.

An open hole shape is formed in a hole shape without corner-folded part, for example, in an elliptic shape.

A stimulation technique is provided for use in an open hole well.

A formation engaging member for use in an open hole anchor (10) is described.

The anchor can be an inflatable or telescoping pistons (9) disposed to grab in open hole.

The temporary sealant is pumped into fractures via an open hole of the wellbore.

A method of anchoring to a formation surface of an open hole and an anchor are also described.

In this manifold unit, a workpiece-side pipe, a master-side pipe, an introduction hole, and an open hole are formed within a manifold block.

Disclosed is a downhole completion assembly for sealing and supporting an open hole section of a wellbore and providing flow control through the downhole completion assembly.

The bearings can be formed with an open configuration allowing a shaft to be inserted into an open bite of the bearing.

The unit is then extracted straight from the scalp, leaving a small open hole.

The unit is then extracted directly from the scalp, leaving a small open hole.

The unit is extracted directly from the scalp, leaving a small open hole.

The unit is then extracted from the scalp, leaving a small open hole.

The unit is pulled directly from the scalp which then leaves a small open hole.