M-I Swaco- A Schlumberger Company operator
Controlled by
Schlumberger Ltd
MSHA operator ID: L13501
- Fatalities
- 0
- Total incidents
- 318
- Mines on record
- 9
- Years on record
- 1994–2025
Compliance record
MSHA citations since 2000
916
citations
190
significant & substantial
$323,090
proposed penalties
$317,289
paid to date
98% of proposed penalties paid to date, a $5,801 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2000
457
inspections on record
7,377
inspection hours
12.4
citations per 100 inspection hours
ⓘ
This rate is recorded citations divided by MSHA inspection hours, per 100 hours. It reflects inspection effort, not mine size or production.916 citations across 7,377 inspection hours.
Source: MSHA inspections data, updated weekly.
Penalty disposition
ⓘ
Differences between proposed and paid penalties reflect both settlements and conference reductions and amounts still owed. Outstanding is the balance currently owed.$323K
proposed penalties
$318K
current assessed
$317K
paid to date
$453
outstanding
905 assessments are final orders; 2 contested dockets.
As of the most recent assessment on 2026-05-26.
Source: MSHA assessed-violations and conference/litigation data, updated weekly.
Top causes
- HANDLING OF MATERIALS 114 non-fatal
- SLIP OR FALL OF PERSON 73 non-fatal
- HANDTOOLS (NONPOWERED) 42 non-fatal
- MACHINERY 30 non-fatal
- POWERED HAULAGE 30 non-fatal
- OTHER 9 non-fatal
Incident timeline
2025
2
2024
1
2022
2
2021
1
2020
2
2019
1
2018
2
2015
3
2014
4
2013
4
2012
11
2011
10
2010
15
2009
10
2008
17
2007
20
2006
16
2005
17
2004
16
2003
14
2002
21
2001
16
2000
14
1999
12
1998
16
1997
20
1996
21
1995
22
1994
8
Mines on record
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The full compliance file on M-I Swaco- A Schlumberger Company
A dated report covering the 26-year penalty trail, line-item violation pattern, contest and docket posture, rate-normalized peer benchmark, and full fatality history. Delivered as a PDF with the underlying data as CSV.