Pemex Deer Park
oil refinery in Deer Park, Texas, US
Pemex Deer Park is an oil refinery located in Deer Park, Texas on the Houston Ship Channel in the Greater Houston area. It is owned and operated by Pemex.
As of December 2017, the plant is the fourth-largest taxpayer and the tenth largest employer in Harris County.
The refinery has a 275,000 bbl/d (43,700 m3/d) crude processing capacity, making it the 18th largest in the US, as of January 2019, with a facility that includes crude & vacuum distillation, delayed coker, fluid catalytic cracker, hydrocracker, polymerization, and alkylation units. Secondary processing units make the refinery's capacity 340,000 bbl/d (54,000 m3/d).
Construction of the Deer Park refinery began in 1929, on an 800-acre site, and has expanded several times over the years. Construction of the petrochemical facilities began in 1940. Before Shell sold Deer Park to Pemex, the facility encompassed 2,300 acres and employed 1,500 Shell employees, and 1,200 contract employees of several subcontractors.
Dating to 1929, it was operated from 1993 to 2022 as a 50-50 joint venture between Shell US and Pemex. On May 24, 2021, Pemex and Shell reached an agreement for the sale of Shell's interest in Deer Park Refining Limited Partnership, transferring full ownership of the refinery to Pemex, subject to regulatory approval.
This brief starts where responsible research should: with the source description of “Pemex Deer Park” as oil refinery in Deer Park, Texas, US. Everything that follows is an evidence route, not borrowed authority.
Why this record matters
The subject matters to the places & architecture register because the source frames it as oil refinery in Deer Park, Texas, US. Its deeper value depends on whether names, dates, institutions and citations support that framing.
The strongest evidence will usually combine a dated visual record with documents produced by the authority responsible for the place. The source revision retrieved here is dated Jul 6, 2026. The linked authority identifier is Q85756189. Authority coordinates are 29.720, -95.132. None of the 1 selected statements returned an explicit reference. The first chronological checks are 2017, 2019, 1929 and 1940.
Architectural summaries often privilege surviving fabric and can understate demolished phases, contested use or displaced communities. The source lead contains qualifying language; that uncertainty should survive quotation, summary and reuse. Authority statements aid reconciliation but still require their own references, qualifiers and ranks to be checked.
How to read it
Treat names, boundaries and functions as historically changeable. Maps, plans, inventories and administrative records can clarify what the place meant at different dates.
- Historic place names
- Jurisdictional context
- Routes into maps and plans
Contemporary maps, plans, listed-building records, estate papers and the responsible local or national archive.
Three-step research path
- Establish the record: confirm the title “Pemex Deer Park”, its source revision and the description used here.
- Expand the search: follow Pemex Deer Park primary sources, Pemex Deer Park archive and Pemex research across catalogues and specialist indexes.
- Test the account: compare the strongest cited source with the responsible institution’s current record and note any disagreement.
Questions for further research
- Which source most directly establishes the central claim about “Pemex Deer Park”?
- What physical evidence or contemporary plan supports the description?
- Which authority defined the place, boundary or structure at the relevant date?
Search terms from this dossier
This entry incorporates text from “Pemex Deer Park” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.