21® Double Duty Drill Collar & Tool Joint Compound

Environmentally-friendly, double duty drill collar and tool joint compound, formulated to provide a superior level of performance for the increasing demands of today’s oilfield market. 21's lead-free formulation contains copper flake as the only metallic component and is fortified by a unique blend of natural, inorganic, extreme-pressure, and anti-wear additives. 21 utilizes our EXTREME base grease which is resistant to invert or high-pH muds and provides better pipe storage properties. APPLICATIONS: 21 is recommended for the entire drill string in most drilling conditions. Typical applications would include geothermal wells, high angle holes, and problem holes involving high temperature, whip stocks, and horizontal drilling applications. 21 prevents high stress in drill pipe connections which shortens their useful life.

Specifications

Base Materials

Complex / Petroleum

Friction / Nut-Factor

1.15 (Relative to API RP 5A3 Annex I)

Certifications

Not classified as a marine pollutant - DOT Approval CA2006100003 · Environmental Rating: UK CEFAS Group B · This thread compound conforms with API RP 5A3 for use with rotary shouldered connections.

Service Rating

0°F to 450°F · -18°C to 232°C