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Rocky Mountain V2

Mud Logging, Geosteering & Oilfield Geological Services Throughout the Rocky Mountains

Supporting drilling programs across Colorado, Wyoming, Utah, Montana, North Dakota, South Dakota, Idaho, and New Mexico with advanced mud logging, gas detection, geosteering, formation evaluation, and real-time drilling intelligence.

Discuss Your Rocky Mountain Project

Setting New Standards in Quality and Service

Selman Geo Services has served the Rocky Mountain region since 1993, helping oil and gas operators improve wellsite visibility, geological interpretation, and drilling decisions. Our regional experience is backed by proprietary software, patented technologies, advanced gas detection, and a team that includes a high percentage of degreed geologists.

As an experienced Mud Logging Company, Selman provides Custom Mud Logging Services, Gas Logging Services, Remote Gas Logging, Geosteering Services, Geosteering Reporting Services, Wellsite Geological Consulting, and comprehensive Formation Evaluation Services. Our objective is to deliver accurate information quickly enough for operators to act while drilling.

30+

Years Serving the Rockies

25+

Issued U.S. Patents

34

Distinct Gas Species Measured

Thousands

of Wells Logged

Why Rocky Mountain Operators Choose Selman

Rocky Mountain drilling programs encounter diverse geological settings, long lateral sections, rapidly changing formations, and operational environments where timely data matters. Selman combines wellsite personnel, proprietary data systems, advanced sensors, and remote access tools to deliver a more complete picture of the well.

  • Regional experience dating to 1993
  • Proprietary applications created by loggers for loggers
  • Integrated data acquisition and processing
  • Near-real-time access to logs, reports, streaming data, and sample images
  • Certified Advanced Gas Detection personnel
  • Well Control Awareness-certified field personnel

Serving the Entire Rocky Mountain Oil and Gas Region

Selman supports exploration, development, horizontal drilling, directional drilling, and unconventional reservoir programs throughout the central and northern Rocky Mountain states. Our field and remote capabilities allow us to serve operators near major energy centers as well as drilling locations far from metropolitan areas.

Colorado

Denver, Greeley, Fort Collins, Windsor, Platteville, Fort Lupton, Grand Junction, Rifle, and communities supporting the Denver-Julesburg and Piceance basins.

Key basins and formations: DJ Basin, Denver Basin, Piceance Basin, Niobrara, Codell, Mancos.

Wyoming

Casper, Gillette, Douglas, Rock Springs, Rawlins, Riverton, Cheyenne, and surrounding drilling areas.

Key basins and formations: Powder River Basin, Green River Basin, Greater Green River, Wind River Basin.

Utah

Vernal, Roosevelt, Duchesne, Price, Salt Lake City, and the broader eastern Utah energy corridor.

Key basins and formations: Uinta Basin, Paradox Basin, Wasatch and Mesaverde intervals.

Montana

Billings, Sidney, Glendive, Miles City, and eastern Montana oilfield communities.

Key basins and formations: Williston Basin, Bakken, Three Forks and regional conventional targets.

North Dakota

Williston, Watford City, Dickinson, Stanley, Killdeer, Minot, and communities throughout the Bakken region.

Key basins and formations: Williston Basin, Bakken, Three Forks.

South Dakota, Idaho & New Mexico

Rapid City and western South Dakota; Idaho operations as needed; Farmington and northwestern New Mexico.

Key basins and formations: San Juan Basin and additional Rocky Mountain exploration areas.

Major Basins and Plays We Support

Our Rocky Mountain service footprint includes mature conventional fields, high-activity unconventional plays, and complex horizontal targets. Selman can tailor the logging program to the geology, drilling objectives, reporting cadence, and data requirements of each operator.

  • Denver-Julesburg (DJ) Basin and Denver Basin
  • Powder River Basin
  • Green River and Greater Green River basins
  • Uinta Basin
  • Piceance Basin
  • Williston Basin and Bakken play
  • San Juan Basin
  • Niobrara, Codell, Mowry, Turner, Frontier, Mesaverde, Mancos, Bakken, and Three Forks targets

Complete Oilfield Geological Services

Selman integrates surface logging, gas analysis, sample description, remote monitoring, geosteering, and geological consulting into one coordinated service platform.

Custom Mud Logging Services

Customized Oil and Gas Mud Logging programs designed around the operator’s well plan, target formations, reporting standards, and operational objectives.

Gas Logging Services

Continuous gas monitoring and Hydrocarbon Gas Detection using advanced instrumentation, proprietary software, and experienced interpretation.

Remote Gas Logging

Our Remotely Monitored Gas Logging Services provide remote access to important gas and drilling information while supporting efficient staffing models.

Geosteering Services

Real-time geological interpretation for horizontal and deviated wells, helping drilling teams maintain the wellbore within the intended target interval.

Geosteering Reporting Services

Clear, standardized Geosteering Reporting that communicates wellbore position, formation relationships, and current drilling conditions across interdisciplinary teams.

Wellsite Geological Consulting

Experienced geologists provide formation identification, correlation, geological oversight, operational communication, and decision support at the rig.

Real-Time Drilling Data

Integrated acquisition systems deliver current logs, reports, gas data, drilling parameters, and sample images to authorized personnel.

Drilling Data Monitoring

Continuous Drilling Data Monitoring helps teams identify changes, verify trends, and respond to geological or operational developments.

Formation Evaluation Services

Lithology, gas composition, geochemistry, sample images, and other measurements are combined to support a more complete understanding of reservoir quality.

Certified Advanced Gas Detection

Selman wholly owns and develops the software used with our Certified Advanced Gas Detection equipment. Drawing on decades of field experience, our systems can use Mass Spectrometry, Flame Ionization Detection, or both to provide fast sample speed, linear readings, broad gas-species coverage, and low detection limits.

Our equipment can measure up to 34 distinct gases every 7–10 seconds, including alkanes, paraffins, naphthalenes, aromatics, atmospheric compounds, sulfur species, and additional compounds. This enhanced gas dataset strengthens Hydrocarbon Gas Detection, supports formation correlation, and gives technical teams more information from each gas sample.

Learn About Gas Logging

Digital Sample Pictures and Photo Logs

Selman advances digital photo microscopy by creating a detailed Photo Log that documents the sample-analysis process. Using proprietary methods, our teams obtain a lithology sample at approximately 10-foot intervals even during rapid drilling. The resulting images provide a visual record that complements the conventional mud log and strengthens Formation Evaluation Services.

Through the LogIt® Viewer, users can open full-sized sample photographs during and after drilling. This virtual sample tray makes it easier to recognize lithological changes, compare intervals, correlate wells, and preserve information for future review without adding unnecessary field manpower.

Mobile App: Put the Rig in Your Pocket™

The Selman Surface Logging app provides near-real-time access to logs, reports, streaming data, and cuttings sample pictures from an internet-connected phone or tablet. It extends Real-Time Drilling Data beyond the office and helps authorized users review current information without waiting for email updates.

Standardized Steering Reports

For qualifying horizontal and deviated wells, Selman’s standardized steering reports clearly visualize the drilling situation in relation to the wellbore and formation. Reports generated through proprietary Dimensional Steering Services™ software help geologists, engineers, directional drillers, and managers communicate from start to finish.

GeoChemical Surface Logging

Selman can quantify aspects of drill cuttings and formation gas using Mass Spectrometry, X-Ray Fluorescence (XRF), X-Ray Diffraction (XRD), Total Organic Carbon (TOC), and calcimetry. These measurements support mineralogical, elemental, carbonate, and organic-content evaluation in unconventional reservoirs.

Safety and Field Personnel Certifications

Safety is integrated into our operational culture. Selman promotes a safe and healthy work environment through communication, recurring safety training, field awareness, and accountable work practices.

  • Well Control Awareness Certification
  • Advanced Gas Detection Certification
  • Mass Spectrometry and Flame Ionization Detection qualifications
  • Training that extends from the classroom to the field
  • A safety-first mindset at all times

Safety Is Our Way of Life

Our clients can have confidence that Selman field personnel possess the core knowledge and job-related skills required to recognize and understand well-control situations while carrying out professional logging responsibilities.

Local Experience. Regional Reach. National Capabilities.

Selman’s Rocky Mountain teams combine local basin familiarity with the systems, standards, and resources of a national oilfield geological services provider. That means operators can receive consistent data quality and reporting whether a program involves a single well near Greeley, a multi-well campaign near Gillette, a horizontal project near Vernal, or a development program in the Williston Basin.

Our regional page is designed to help operators quickly identify the right combination of Custom Mud Logging Services, Gas Logging Services, Remote Gas Logging, Geosteering Reporting Services, and Wellsite Geological Consulting for the next well.

Request a Rocky Mountain Service Plan

Rocky Mountain Mud Logging and Geosteering FAQs

Yes. Selman supports drilling programs throughout Colorado, including the Denver-Julesburg Basin, Denver Basin, Piceance Basin, Greeley, Denver, Fort Collins, Platteville, Fort Lupton, Grand Junction, Rifle, and surrounding oilfield communities.
Yes. Our Rocky Mountain service footprint includes Casper, Gillette, Douglas, Rock Springs, Rawlins, Riverton, Cheyenne, the Powder River Basin, Green River Basin, and other Wyoming drilling areas.
Yes. Selman provides oilfield geological services for Williston Basin and Bakken-area projects, including operations near Williston, Watford City, Dickinson, Stanley, Killdeer, and Minot.
A custom program can include lithology descriptions, gas monitoring, sample collection and imaging, drilling-parameter monitoring, real-time reporting, formation correlation, geochemistry, and project-specific deliverables.
Remote Gas Logging uses connected field instrumentation and data systems to make current gas information available to qualified personnel away from the rig. Selman’s remotely monitored services help operators maintain visibility while improving efficiency.
Depending on the project, Selman can use Mass Spectrometry, Flame Ionization Detection, or both. Our advanced systems can analyze a broad range of gas species at rapid sampling intervals.
Geosteering combines real-time geological interpretation, correlation, and drilling information to help keep horizontal or deviated wellbores within the intended target interval.
Reports can show wellbore position, formation boundaries, correlations, target relationships, and the current drilling situation in a clear format that supports communication among geologists, engineers, directional drillers, and management.
Authorized users can access near-real-time logs, reports, streaming data, and cuttings sample pictures through Selman’s connected systems and mobile application, subject to the service configuration and field connectivity.
Available capabilities may include lithology descriptions, digital sample photography, advanced gas analysis, XRF, XRD, TOC, calcimetry, correlation, and geological interpretation.
Yes. Experienced geologists can provide wellsite oversight, formation identification, correlation, operational communication, reporting, and geological decision support.
Our service footprint includes the DJ Basin, Denver Basin, Powder River Basin, Green River Basin, Uinta Basin, Piceance Basin, Williston Basin, San Juan Basin, and additional Rocky Mountain exploration and development areas.
Yes. Selman supports conventional, unconventional, vertical, directional, and horizontal wells. The logging and geological program is tailored to the well design and operational objectives.
Selman field personnel receive safety training, and relevant personnel hold Well Control Awareness and Advanced Gas Detection certifications, including qualifications related to Mass Spectrometry and Flame Ionization Detection.
Contact Selman with the well location, basin, anticipated spud date, well type, target formation, lateral length, and desired services. Our team can then recommend an appropriate service package.

Ready to Discuss Your Next Rocky Mountain Drilling Project?

Tell us where you are drilling and which geological, gas logging, mud logging, geosteering, or formation-evaluation capabilities you need. Selman will help build the right service plan for the well.

Contact Selman Geo Services

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