Web-Only: Drilling

Marvin F. Glotfelty, RG,
shares two string weight analysis examples from 2003.

Marvin F. Glotfelty, RG, provides a
filter pack design clarification.

Marvin F. Glotfelty, RG, explains the concept of designing a well with
a large casing volume.

Marvin F. Glotfelty, RG, explains program management.

Marvin F. Glotfelty, RG, discusses cement annular seals.

Marvin F. Glotfelty, RG, details measurement tools in the drilling industry.

Marvin F. Glotfelty, RG, shares career lessons he wished he knew.

Marvin F. Glotfelty, RG, provides an overview of cable tool drilling.

Marvin F. Glotfelty, RG, details flooded reverse drilling.

Marvin F. Glotfelty, RG, delves into the basics of dual rotary drilling.

Marvin F. Glotfelty, RG, discusses properties of steel casing.

Chip Nelson discusses GEFCO/BAUER Equipment America in the water well market.

Marvin F. Glotfelty, RG, gives primer on mud and air rotary drilling.

Marcus Laibe talks drill rigs and conducting business during a pandemic.

Marvin F. Glotfelty, RG, discusses well design from a water quality perspective.

Marvin F. Glotfelty, RG, discusses large aquifer voids adjacent to the borehole or well.

Marvin F. Glotfelty, RG, gives an overview of drilling fluids.

Marvin F. Glotfelty, RG, explains key points on properly decommissioning a well.

Marvin F. Glotfelty, RG, discusses ways to evaluate a well’s flow profile.

Marvin F. Glotfelty, RG, covers well development techniques and concepts.

Marvin F. Glotfelty, RG, gives an overview of filter pack sand selection and design.

Thomas M. Hanna, RPG, discusses need for a universal system for borehole logging.

Marvin F. Glotfelty, RG, covers the importance of technical specification verbiage.

Marvin F. Glotfelty, RG, discusses impact of annulus width on well performance.

Curtis King, CWD/PI, shares thoughts on winning the 2019 NGWA Special Recognition and Life Member Awards.

Chip Nelson explains automatic grease systems and grease banks.

Get drilling tips on preparing to drill overseas by two industry veterans.