Company lists · Data refreshed October 2026

Top 25 Mud logging contractors worldwide

RevenueBase identified 3,431 company matches for mud logging contractors worldwide as of October 2026 and tracks 170,421 professional contacts across them, including 39,117 with verified work emails. The United States is the largest market and Houston the largest hub.

This list covers company matches for mud logging contractors 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 October 18, 2026. Country and city lists for mud logging contractors 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 Oct 18, 2026 How this list was built
3,431Companies
170,421Contacts tracked
39,117Verified emails
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The 25 largest mud logging contractors worldwide

Ranked by team size
Top 25 of 3,431 company matches for mud logging contractors worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 18, 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, TX, United StatesHQ recorded Oct 18, 202610001+56,783 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
2Exact matchNootdorp, NetherlandsHQ recorded Oct 18, 202610001+8,464 contacts →

Exact match

“We are the world’s leading Geo-data specialist, collecting and analysing comprehensive information about the Earth and the structures built upon it.”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
3Exact matchHouston, TX, United StatesHQ recorded Oct 18, 202610001+6,266 contacts →

Exact match

“Nabors Industries is a leading provider of advanced technology for the energy industry.”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
4Exact matchJakarta Selatan, IndonesiaHQ recorded Oct 18, 20261,001-5,0004,167 contacts →

Exact match

“We are the one and only national company that possesses combined competencies in oil & gas services: seismic, drilling and oilfield.”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
5Exact matchHouston, TX, United StatesHQ recorded Oct 18, 20261,001-5,0002,923 contacts →

Exact match

“Headquartered in Houston, Texas, Key Energy Services provides a wide array of leading edge energy production solutions and services.”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
6Exact matchHouston, TX, United StatesHQ recorded Oct 18, 202610001+2,444 contacts →

Exact match

“Patterson-UTI is a leading provider of drilling and completion services to oil and natural gas exploration and production companies in the United States and other select…”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
7Exact matchDubai, United Arab EmiratesHQ recorded Oct 18, 20261,001-5,0002,362 contacts →

Exact match

“OiLSERV is a provider of an expanding range of oilfield services, including well logging, well testing, production enhancement, drilling services, surface production management…”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
8Exact matchHouston, TX, United StatesHQ recorded Oct 18, 20261,001-5,0002,076 contacts →

Exact match

“For oil & gas exploration and production companies worldwide, Superior Energy Services is an oilfield products and services company with global reach, financial stability and…”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
9Exact matchHouston, TX, United StatesHQ recorded Oct 18, 20261,001-5,0001,882 contacts →

Exact match

“TGS provides advanced data and intelligence to companies active in the energy sector.”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
10Exact matchDubai, United Arab EmiratesHQ recorded Oct 18, 20261,001-5,0001,697 contacts →

Exact match

“Every year, drilling teams make decisions worth millions of dollars on incomplete information.”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
11Exact matchHouston, TX, United StatesHQ recorded Oct 18, 20261,001-5,0001,543 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 · Oct 18, 2026 · View company records in RevenueBase
12Exact matchDubai, United Arab EmiratesHQ recorded Oct 18, 20265,001-10,0001,419 contacts →

Exact match

“Anton Oilfield Services Group (hereinafter as “Anton”) is the world's leading integrated oilfield technology service company that provides clients with a full range of products…”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
13Exact matchMuscat, OmanHQ recorded Oct 18, 20261,001-5,0001,274 contacts →

Exact match

“Abraj Energy Services ("Abraj"), was founded in May 2006 and has taken major strides.”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
14Exact matchThe Woodlands, TX, United StatesHQ recorded Oct 18, 20261,001-5,0001,213 contacts →

Exact match

“THE ULTIMATE PARTNER IN WELLBORE PLACEMENT Scientific Drilling International is an independent service provider offering a complete high accuracy wellbore placement and drilling…”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
15Exact matchHebei, ChinaHQ recorded Oct 18, 202610001+1,189 contacts →

Exact match

“BGP is one of the world's leading geophysical service companies, delivering a wide range of technologies, services and equipment to the oil and gas industry worldwide.”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
16Exact matchLaksevåg, United StatesHQ recorded Oct 18, 20261,001-5,0001,060 contacts →

Exact match

“Shearwater is a global marine geoscience and technology business.”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
17Exact matchMauritius, AustriaHQ recorded Oct 18, 20261,001-5,0001,020 contacts →

Exact match

“Capital Limited is a leading service provider for the exploration and mining industry.”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
18Exact matchUnited StatesHQ recorded Oct 18, 20261,001-5,0001,017 contacts →

Exact match

“Empresa líder en el Sector Petrolero, con presencia a Nivel Nacional, principales clientes PEMEX Y CFE, con servicios como perforación de pozos terrestres, Marinos, Geotérmicos…”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
19Exact matchHouston, TX, United StatesHQ recorded Oct 18, 2026501-1,000974 contacts →

Exact match

“Headquartered in Houston, Texas, Geokinetics is one of the world’s largest independent land and seafloor geophysical companies.”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
20Exact matchLondon W2 2es, United KingdomHQ recorded Oct 18, 20261,001-5,000866 contacts →

Exact match

“Excellence Logging is an established energy services provider focused on optimizing well performance.”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
21Exact matchHouston, TX, United StatesHQ recorded Oct 18, 2026501-1,000825 contacts →

Exact match

“Founded in 1994 and built on a strong geoscience and data management footprint, LMKR has evolved into a premier technology company expanding its reach to Clean Energy…”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
22Exact matchCarquefou, FranceHQ recorded Oct 18, 20261,001-5,000803 contacts →

Exact match

“From natural resources to earth and infrastructure monitoring, energy transition, and defense, Sercel is a pioneer in measuring and understanding Earth’s subsurface to provide…”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
23Exact matchMuscat, OmanHQ recorded Oct 18, 20261,001-5,000756 contacts →

Exact match

“MB Petroleum Services is a multinational corporation providing cost-effective quality drilling, integrated well services and integrated production services worldwide with the…”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
24Exact matchPort Of Spain, Trinidad and TobagoHQ recorded Oct 18, 20261,001-5,000723 contacts →

Exact match

“Tucker Energy Services is a service oriented and customer focused organization providing high quality products and services to our clients in the energy industry.”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
25Exact matchCalgary, AB, CanadaHQ recorded Oct 18, 2026501-1,000683 contacts →

Exact match

“Pason is the leading global provider of specialized data management systems for land-based and offshore rigs worldwide.”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase

Showing 25 of 3,431 mud logging contractors worldwide

See the full list, filter by size, metro and specialty, and access 39,117 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Mud logging contractors worldwide at a glance

As of Oct 18, 2026
23.0%Verified-email coverage
49.7Average contacts per company
11-50Median size (employees)
6.6%Largest-city concentration · Houston
Oct 18, 2026Page data refreshed

Companies by employee count

1-10
1,632
11-50
1,070
51-200
461
201-500
125
501-1,000
59
1,001-5,000
49
5,001-10,000
10
10001+
15

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 mud logging contractors are linked below.
What qualifies
Company records worldwide whose business descriptions match “mud logging contractors” 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 39,117 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 October 18, 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.

Mud logging contractors by location

22 lists · largest first

Every Mud logging contractors list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

Cities

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 “mud logging contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many mud logging contractors are there worldwide?

RevenueBase identified 3,431 company matches for mud logging contractors worldwide as of October 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 mud logging contractors?

The United States leads with 845 companies, followed by Canada (280) and the United Kingdom (211). Every mud logging contractors list by country and city is linked on this page.

Which city has the most mud logging contractors?

Houston leads with 226 company records, followed by Calgary (128) and London (45).

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 39,117 professional contacts with verified work emails tracked across these 3,431 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 October 18, 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.