DIRECTIONAL DRILLING EQUIPMENT

Brand	Owner (click to sort)	Address	Description
AENIGMA	LODESTAR INTERNATIONAL OPCO	PO BOX 1584 WIMBERLEY TX 78676	Directional drilling equipment for the oil and gas industry, namely, downhole survey and measurement equipment and electronic data loggers for taking readings and measurements while drilling, transmitting such data to the surface, and logging the data;
DWD	LODESTAR INTERNATIONAL OPCO	PO BOX 1584 WIMBERLEY TX 78676	Directional drilling equipment for the oil and gas industry, namely, downhole survey and measurement equipment and electronic data loggers for taking readings and measurements while drilling, transmitting such data to the surface, and logging the data;DYNAMICS WHILE DRILLING;
	Where the owner name is not linked, that owner no longer owns the brand

Technical Examples

Method and apparatus for drilling a directional or horizontal wellbore in a hydrocarbon formation using concentric drill string having an inner pipe and an outer pipe defining an annulus there between. A bottomhole assembly comprising a directional drilling means such as an air hammer or a rotary drill bit and driving system is provide at the lower end of the concentric drill string and drilling medium is delivered through the annulus or inner pipe for operating the directional drilling means to form a borehole. Exhaust drilling medium, drilling cutting and hydrocarbon are removed from the wellbore by extracting the exhaust drilling medium, drilling cutting and hydrocarbon through the other of the annulus or inner pipe.