# Who does Devon Energy Corporation pay? Who are its key suppliers?
Canonical: https://valuechain.wiki/devon-energy · Facet: suppliers · Updated: 2026-09-11T21:31:48.986814+00:00 · Source: ValueChain.wiki (cited money-flow graph)

**Citable summary**: Devon Energy Corporation's confirmed suppliers/cost counterparties include Halliburton, Schlumberger. Per the valuechain.wiki graph: 2 cost edges, backed by 3 dated sources, 0 of them primary filings (as of 2026-09-11).

### 그레이슨 밀 에너지 (high)
- metric: Contract value $5B · transaction closed 2024-09-27 · Total consideration for the acquisition of Grayson Mill's Williston Basin business
- note: Devon acquired Grayson Mill's Williston Basin business for approximately $5.0 billion in September 2024. Final consideration consisted of $3.5 billion in cash and approximately 37.3 million Devon shares.
- [confirms] SEC EDGAR (EN, filing, published 2026-02-18) https://www.sec.gov/Archives/edgar/data/1090012/000119312526056485/dvn-20251231.htm: "we acquired the Williston Basin business of Grayson Mill for total consideration of approximately $5.0 billion"
- [mentions] Global Economic (KO, news, published 2024-07-10) https://www.g-enews.com/article/Industry/2024/07/202407101243403943e8b8a793f7_1: "Devon Energy agreed to acquire Grayson Mill Energy's Williston Basin business for $5 billion."
- [mentions] Investing.com (KO, analysis, published 2024-07-09) https://kr.investing.com/news/company-news/article-93CH-1126566: "TD Cowen estimated the transaction would increase projected 2025 free cash flow per share by 13%."

### 핼리버튼 (mid)  → /halliburton.md
- note: Halliburton provided hydraulic fracturing services to Devon and collaborated with Devon's technical team on a Barnett Shale development optimization project. No counterparty-specific contract value was disclosed.
- [confirms] The Journal Record (EN, news, published 2015-08-07) https://journalrecord.com/2015/08/07/frack-and-frack-again-drillers-eye-way-to-make-older-wells-profitable-energy/: "Halliburton provided hydraulic fracturing services to Devon Energy Corp. in 2013"
- [confirms] Journal of Petroleum Technology (EN, analysis, published 2014-03-31) https://jpt.spe.org/data-gathering-smooth-bumpy-path-optimization: "professionals were drawn from inside Devon and Halliburton, which collaborated on the project"

### 슐럼버거 (mid)  → /schlumberger.md
- note: SLB, the current brand of Schlumberger, deployed advanced flowback services on two Devon wells in the Permian Basin and provided data analysis and geomechanical modeling. The contract value was not disclosed.
- [confirms] SLB (EN, ir, published 2016-11-04) https://www.slb.com/resource-library/case-study-with-navigation/ts/flowback-completion-damage-minimized-permian-basin: "SLB worked with Devon Energy to deploy AvantGuard advanced flowback services"

Reverse side: https://valuechain.wiki/devon-energy/customers.md · Ripple: https://valuechain.wiki/devon-energy/ripple.md

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Full node: https://valuechain.wiki/devon-energy.md · JSON: https://valuechain.wiki/devon-energy.json