Identity and specifications
- Rig type
- Drilling rig
- Rig subtype
- Semisubmersible
- Owner
- Stena Drilling
- Operator
- Stena Drilling
- Marketing party
- Stena Drilling
Asset intelligence
Stena Don
Stena Drilling · Drilling rig · last verified 28 July 2026
Identity, current state, next assignment, availability, schedule history and evidence are separated so unknowns are not flattened into public claims.
Current commercial state
- Current-state verification
- Working
- Customer
- Customer undisclosed
- Region
- United Kingdom
- Current assignment starts
- 1 February 2026
- Current assignment ends
- 1 December 2026
- Confidence
- B
Current assignment evidence
Source title: Stena Drilling Fleet Availability and official news disclosures
Organization: Stena Drilling
Publication date: Publication date not identified
Retrieval date: 28 July 2026
Page/section: Page not identified
Excerpt: 7 Aug 2025 Stena Drilling fleet contract status update: Stena Don secured a four-well firm programme for an undisclosed operator in the UK, starting in February 2026; expected to last around ten months.
Document hash: a479a4ce3704d40cb2344b3c093b4f93483d2a131853f062cc9bdb5b22b5daa0
Claim status: Firm programme
Open sourceNext assignment
- Customer
- Customer undisclosed
- Region
- United Kingdom
- Start date
- 1 December 2026
- End date
- 31 December 2028
- Schedule status
- Option Periods
Next assignment evidence
Source title: Stena Drilling Fleet Availability and official news disclosures
Organization: Stena Drilling
Publication date: Publication date not identified
Retrieval date: 28 July 2026
Page/section: Page not identified
Excerpt: 7 Aug 2025 Stena Drilling fleet contract status update: up to 24 months of options beyond the firm programme; if all options are exercised, Stena Don remains employed through end-2028.
Document hash: a479a4ce3704d40cb2344b3c093b4f93483d2a131853f062cc9bdb5b22b5daa0
Claim status: Option periods
Open sourceAvailability assessment
- Commercial availability
- Working
- Commercial completeness
- B
- Technical profile
- Partial
- Last verified
- 28 July 2026
A current firm or committed assignment covers the present date.
Availability evidence
Source title: Stena Drilling Fleet Availability and official news disclosures
Organization: Stena Drilling
Publication date: Publication date not identified
Retrieval date: 28 July 2026
Excerpt: 7 Aug 2025 Stena Drilling fleet contract status update: Stena Don secured a four-well firm programme for an undisclosed operator in the UK, starting in February 2026; expected to last around ten months.
Document hash: f6fcfce822c767cfe69a9f4cbd574e7fac4d4a4d33eb6dd6dde749dfe1429797
Verified schedule history
2 assignmentsCustomer undisclosed
United Kingdom
Feb 2026 – Dec 2026
Schedule evidence
Source title: Stena Drilling Fleet Availability and official news disclosures
Organization: Stena Drilling
Publication date: Publication date not identified
Retrieval date: 28 July 2026
Page/section: Page not identified
Excerpt: 7 Aug 2025 Stena Drilling fleet contract status update: Stena Don secured a four-well firm programme for an undisclosed operator in the UK, starting in February 2026; expected to last around ten months.
Document hash: a479a4ce3704d40cb2344b3c093b4f93483d2a131853f062cc9bdb5b22b5daa0
Claim status: Firm programme
Open sourceCustomer undisclosed
United Kingdom
Dec 2026 – Dec 2028
Schedule evidence
Source title: Stena Drilling Fleet Availability and official news disclosures
Organization: Stena Drilling
Publication date: Publication date not identified
Retrieval date: 28 July 2026
Page/section: Page not identified
Excerpt: 7 Aug 2025 Stena Drilling fleet contract status update: up to 24 months of options beyond the firm programme; if all options are exercised, Stena Don remains employed through end-2028.
Document hash: a479a4ce3704d40cb2344b3c093b4f93483d2a131853f062cc9bdb5b22b5daa0
Claim status: Option periods
Open sourceSignalSpore-detected changes
Historical event, future transition and data correction are separatedNo source-delta market changes for this asset yet.
Coverage and freshness
Evidence drawers preserve source organization, document title, source document hash, excerpt, page/section and claim status separately from current state and historical changes.
Regional movements: No verified regional movement event has been published for this asset.