Company lists · Data refreshed November 2026

Top 25 Reservoir surveillance services worldwide

RevenueBase identified 127 company matches for reservoir surveillance services worldwide as of November 2026 and tracks 61,450 professional contacts across them, including 16,994 with verified work emails. The United States is the largest market and Houston the largest hub.

This list covers company matches for reservoir surveillance services worldwide, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed November 6, 2026. Country and city lists for reservoir surveillance services follow the table.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list RevenueBase SmartSearch · Exact Recorded Nov 6, 2026 How this list was built
127Companies
61,450Contacts tracked
16,994Verified emails
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The 25 largest reservoir surveillance services worldwide

Ranked by team size
Top 25 of 127 company matches for reservoir surveillance services worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchHouston, United StatesHQ recorded Nov 6, 202610001+58,281 contacts →

Exact match

“We collaborate and engineer solutions to maximize asset value for our customers.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchHouston, TX, United StatesHQ recorded Nov 6, 20261,001-5,0001,601 contacts →

Exact match

“With over 70 offices in more than 50 countries located in major oil-producing provinces, Core Laboratories provides services to the world's major, national, and independent oil…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchMumbai, IndiaHQ recorded Nov 6, 202651-200353 contacts →

Exact match

“ASIAN is a reservoir imaging company, offering a suite of geophysical services specializing in land and well seismic services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchHouston, TX, United StatesHQ recorded Nov 6, 202651-20089 contacts →

Exact match

“Anyone can provide data.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchHouston, TX, United StatesHQ recorded Nov 6, 202611-5068 contacts →

Exact match

“NuTech is an upstream reservoir solutions company specializing in creating strategies to value, manage, and act on assets in all phases of the reservoir life cycle.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchCalgary, AB, CanadaHQ recorded Nov 6, 202651-20067 contacts →

Exact match

“GEO PSI provides operators with the real-time data they need to act with confidence.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchWeatherford, OK, United StatesHQ recorded Nov 6, 202651-20066 contacts →

Exact match

“Impac Exploration Services, Inc.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchEdmonton, AB, CanadaHQ recorded Nov 6, 202651-20054 contacts →

Exact match

“Leaders in harsh environment Reservoir Monitoring Petrospec Engineering provides advanced reservoir monitoring products specializing in high temperature systems.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchNisku, AB, CanadaHQ recorded Nov 6, 202651-20044 contacts →

Exact match

“Precise Downhole Solutions™ is an ISO certified, industry leader in monitoring/surveillance & smart completions in extreme environments.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchCalgary, TX, CanadaHQ recorded Nov 6, 202611-5044 contacts →

Exact match

“Our commitment to integrity, innovation, collaboration, and safety has made Abra an industry leading surface monitoring service provider.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchCalgary, AB, CanadaHQ recorded Nov 6, 202611-5023 contacts →

Exact match

“McLeay Geological Consultants (2006) Ltd.(“McLeay”) is an oil and gas service company providing the industry with high quality wellsite and remote geosteering personnel for…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchDallas, TX, United StatesHQ recorded Nov 6, 202611-5021 contacts →

Exact match

“Born from the merger of two renowned firms: Haas Engineering and Cobb & Associates, HAAS & COBB's team of professional engineers and geologists bring a wealth of knowledge and a…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchHouston, TX, United StatesHQ recorded Nov 6, 202611-5019 contacts →

Exact match

“ResMetrics helps operators better understand completion performance by connecting completion data, diagnostics, and insights to more confident decisions across the entire program.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchDenver, CO, United StatesHQ recorded Nov 6, 202611-5018 contacts →

Exact match

“Since its inception in 1995, NITEC has had the opportunity to perform many large-scale, fully-integrated studies on highly complex reservoirs in addition to spacing, completion…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchBengaluru North, IndiaHQ recorded Nov 6, 202611-5017 contacts →

Exact match

“In oil & gas exploration, uncertainty in subsurface data leads to dry wells, delayed field development, and missed opportunities.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchHouston, TX, United StatesHQ recorded Nov 6, 202611-5017 contacts →

Exact match

“ODSI is a consulting company to the oil and gas industry.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchCalgary, AB, CanadaHQ recorded Nov 6, 202611-5016 contacts →

Exact match

“Subsurface Dynamics is a reservoir engineering and technology firm specializing in real-time frac monitoring, automated analysis, and integrated modeling solutions that drive…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchBakersfield, CA, United StatesHQ recorded Nov 6, 202611-5015 contacts →

Exact match

“Anatesco: Precision.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchHouston, TX, United StatesHQ recorded Nov 6, 20261-1014 contacts →

Exact match

“Quantico Energy Solutions is a leading data science company in the areas of reservoir and wellbore characterization.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchCalgary, AB, CanadaHQ recorded Nov 6, 20261-1012 contacts →

Exact match

“United incorporates geological, engineering and geophysical data in a work flow process for optimizing reservoir development plans.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchNorwayHQ recorded Nov 6, 202611-5010 contacts →

Exact match

“At Resoptima we are passionate about driving value through effective reservoir management.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchBroussard, LA, United StatesHQ recorded Nov 6, 202651-2008 contacts →

Exact match

“ALTEC, Inc.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchCairo, EgyptHQ recorded Nov 6, 202651-2008 contacts →

Exact match

“At Spider Egypt For Petroleum Services, we strive to offer the best quality in field and consultancy services in RESERVOIR MANAGEMENT.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchAberdeen, United KingdomHQ recorded Nov 6, 202611-507 contacts →

Exact match

“Oilgen is a reservoir engineering specialist consultancy located in Aberdeen (U.K.) and working internationally.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchLittleton, CO, United StatesHQ recorded Nov 6, 202611-506 contacts →

Exact match

“iReservoir provides world-class consulting services in reservoir characterization and simulation to oil and gas companies using state-of-the-art geoscience and engineering…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 25 of 127 reservoir surveillance services worldwide

See the full list, filter by size, metro and specialty, and access 16,994 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Reservoir surveillance services worldwide at a glance

As of Nov 6, 2026
27.7%Verified-email coverage
483.9Average contacts per company
1-10Median size (employees)
11.8%Largest-city concentration · Houston
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
66
11-50
39
51-200
17
201-500
2
1,001-5,000
1
10001+
2

Email recency is reported on each country list linked below.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
Coverage
Every country. Country and city lists for reservoir surveillance services are linked below.
What qualifies
Company records worldwide whose business descriptions match “reservoir surveillance services” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch
Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview
The public preview omits records without a verified work email. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality
RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
Ranking
Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification
Every displayed company carries at least one verified work email. RevenueBase tracks 16,994 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh
This page's figures were pulled from the company graph on November 6, 2026. Lists refresh periodically as the graph is re-checked.
Record context
Company records and descriptions can change. Check the company's website for its current services and locations.

Reservoir surveillance services by location

1 lists · largest first

Every Reservoir surveillance services list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “reservoir surveillance services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many reservoir surveillance services are there worldwide?

RevenueBase identified 127 company matches for reservoir surveillance services worldwide as of November 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

Halliburton tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most reservoir surveillance services?

The United States leads with 40 companies. Every reservoir surveillance services list by country and city is linked on this page.

Which city has the most reservoir surveillance services?

Houston leads with 15 company records, followed by Calgary (12) and Denver (5).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 16,994 professional contacts with verified work emails tracked across these 127 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on November 6, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.