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Rival Downhole Tools

Rival Downhole Tools rents, sells and services best-in-class drilling and thru tubing downhole tools to the upstream oil and gas industry. Founded in 2002 the company leverages its Ashmin legacy, an engineering firm focused on the creation of new technology, for the deployment of its technologies

Evolution Engineering

EVOLUTION ENGINEERING delivers purpose-built MWD products that exceed today’s drilling requirements for performance and reliability.

Aquaterra Energy

Aquaterra Energy Group is a seabed to surface provider of engineering services, equipment sales and rental, and offshore structures, primarily focused on the shallow water market.  

Sense Intellifield

Sense Intellifield is an innovative supplier of e-field technologies. Sense’s technology enables oil and gas companies to realize substantial cost savings and productivity improvements. Sense Intellifield was sold to Kongsberg Maritime in December 2006.


Cubility offers a cost efficient and novel solution that simplifies the fluid cleaning system by replacing multiple components with one enclosed integrated system. This solution improves ROP and HSE and reduces mud loss.

Sense EDM AS

Sense EDM AS is a supplier of intelligent rigs, innovative tubular handling systems and control systems to the international oil & gas industry. Sense EDM was sold to TTS Marine ASA in April 2007.


2TD aims to become a leading supplier of advanced drilling tools for the large and expanding directional drilling market, enabling customers to drill higher quality wells at lower cost.


Meta provides downhole isolation products using its patented METALMORPHOLOGY™ technology. This utilizes metal-to-metal seals for life-of-well isolation applications.

READ Cased Hole

READ Cased Hole is a leading independent provider of downhole well assurance services focused on well integrity, leak detection and flow profiling, from drilling to abandonment.


IWC has developed an innovative through-bore method for mud pulse/pressure pulse communication from MWD/LWP to surface. The system significantly improves the efficiency of the mud-pulse system. IWC was sold to Halliburton in November 2013.