Drilling-Underbalanced

+ Add Company

Find drilling-underbalanced companies within the drilling products & services category supporting upstream oil and gas work across North America.

3D Drilling Tools Inc

Edmonton, AB, CAN

Downhole equipment has to perform in the hole, not just look right on a spec sheet. 3D Drilling Tools supplies Canadian-made drilling equipment from Edmonton, including Grant rotating heads for slim-hole through large-bore drilling applications. We support air drilling, hole openers, blowout-prevention related drilling tools, underbalanced drilling equipment, downhole tools, and 24-hour customer support. More than 25 years in oilfield service, Canadian manufacturing, COR certification, and a toll-free line give drilling teams useful trust signals. For drilling contractors, 3D is valuable when rotating-head selection, safety culture, and support availability matter during active drilling operations.

Red Deer, AB, CAN

Blowout Control Tools Inc is a Drilling-Underbalanced company based in Red Deer, AB.

Enhanced Drill Systems

Calgary, AB, Canada

We’ve grown to be one of the world’s largest and technologically advanced oilfield service providers. We are defined by our inspired thinking and our culture of achievement, delivering a superior customer experience and trusted, reliable performance. Our premium services include contract drilling, directional drilling, underbalanced and managed pressure drilling, rental equipment, well servicing and production services. Established in 1987, our operations now extend from Canada and the United States to Latin America, the Middle East and Australia.

Ensign Energy Services Inc.

Ensign Energy Services is a global land-based oilfield service contractor providing drilling, well servicing, and related technical services to the oil, natural gas, and geothermal industries. Core services include contract drilling (shallow, intermediate, and deep wells using technologically advanced rigs including ADR Automated Drilling Rigs), directional and horizontal drilling with MWD/LWD and downhole motors, well servicing and workovers, managed pressure and underbalanced drilling (MPD/UBD), and oil sands coring. Ancillary services include equipment rentals (BOPs, solids control, pumps, drill pipe), production flow-back and testing, transportation and rig mobilization, digital automation solutions (EDGE AUTOPILOT), and power management including generator rentals and Battery Energy Storage Systems (BESS). Ensign operates primarily in Canada, the United States, Latin America, the Middle East, and Australia.

Halliburton
HalliburtonVerified

Calgary, AB, CAN

A complex well can lose direction long before the first bit reaches target depth. Halliburton connects its Calgary office with a global energy platform for subsurface evaluation, well construction, completions, intervention, and production work. Our well-construction path covers drilling fluids, drill bits, directional drilling, drilling optimization, measurement while drilling, managed pressure drilling, pipe recovery, well control, cementing, casing equipment, liner hangers, multilateral systems, and barrier packers. Completion and intervention planning moves into isolation, sand control, perforating, completion fluids, stimulation, hydraulic fracturing, fracture monitoring, coiled tubing, hydraulic workover, pumping and nitrogen, downhole tools, surface flowback equipment, slickline, and wireline cased-hole logging. Halliburton also publishes reservoir testing, surface data logging, wireline openhole logging, slickline, borehole seismic, integrated rock analysis, coring services, applied geoscience, and software. For a Calgary request, the planning details are well objective, hole section, pressure regime, completion design, intervention path, and whether the next step needs subsurface data or field execution.

High Arctic Energy Services Inc

Red Deer, AB, CAN

High Arctic Energy Services Inc provides Drilling-Underbalanced, Nitrogen Service, Snubbing Units services to oil and gas operators in Red Deer, AB and across Western Canada.

Piston Well Services Inc

Red Deer, AB, CAN

Pressure on a live well can turn a planned workover into a well control problem. Piston Well Services Inc works from Red Deer, Alberta with snubbing units and hydraulic workover service for oil and gas wells that need controlled intervention. We handle HPHT workovers, well control, frac plug milling, fishing, and completion string installations. Each service is tied to a wellbore problem: clearing restrictions, recovering downhole equipment, or installing completion strings while pressure control stays central to the job. Our Red Deer team also works with downhole tools, pumps, and related well service equipment used during snubbing and workover programs. The service plan starts with the well condition, pressure risk, and access limits, then matches the unit and tool package to the intervention. For Alberta well intervention planning, we focus the conversation on the well objective, pressure conditions, and the workover method needed to finish the job safely and efficiently.

Schlumberger Canada Limited (SLB)

Calgary, AB, CAN

SLB's Calgary base supports well construction, subsea, and project management for energy programs that run across regions and asset stages. The same platform also supports mature fields that need production focus. On the wellsite side, our scope includes cementing, completion services, and coiled tubing service. Underbalanced drilling and logging support programs that need intervention or a cleaner handoff from construction into production. Our product work extends into material development and testing. In our ISO 9001:2008 molding facility, we handle elastomeric compound development and molding. Wrapping and autoclaving follow. Secondary and finishing processes close out the final stages. With service in more than 100 countries, SLB keeps Calgary tied to global energy work where technical scope, project management, and field execution have to stay aligned.

Scientific Drilling International (Canada) Inc

Calgary, AB, CAN

A well path is only as good as the measurements and steering data behind it. Scientific Drilling International (Canada) Inc works from Calgary with directional drilling-equipment and service for energy wells that need precise wellbore navigation. We deliver wellbore navigation and drilling solutions through High Accuracy Gyro Survey, Measurement While Drilling, Logging While Drilling, MagTraC MWD Ranging, and Cased Hole Solutions. These services support drilling, surveying, and well integrity decisions where downhole position and data quality affect the next move. At-bit steering is one example of how our tools are used in the field. Scientific Drilling worked with an energy customer to integrate BitSub azimuthal gamma ray and inclination sensing for an 11-well drilling campaign. Cased hole service work extends the same navigation focus into existing wells. For thermal Enhanced Oil Recovery well integrity evaluation, our cased hole technology is used to identify inconsistencies and assess well dependability. Our Calgary office supports directional drilling, directional surveys, MWD, LWD, and cased hole service conversations for Canadian energy projects connected to Scientific Drilling's wider service network.

Red Deer County, AB, CAN

Strata Energy Services Inc provides Air Drilling-Services, Drilling-Underbalanced, Nitrogen Service services to oil and gas operators in Red Deer County, AB and across Western Canada.

Weatherford Canada Partnership

Calgary, AB, CAN

Weatherford Canada Partnership in Calgary connects drilling, evaluation, completion, and production activity through a global energy-services platform. We keep the Canadian office tied to field execution while the wider Weatherford network adds digital tools for planning and performance. On the well-construction side, we handle directional, horizontal, and underbalanced drilling. Cementing gear and drill-collar rental fit the same downhole phase. Wireline and logging help move the well into evaluation. Production testing, flow measurement, completion tools, and packers carry the job toward producing assets. Sand control, plunger lift, pump systems, wellhead hardware, and pipeline testing give mature wells and surface lines another practical path when conditions change.