Port Arthur Pipeline Louisiana Connector

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Sources disagree on some of this page's facts. Each value is shown with its sources; see Sources disagree.

Port Arthur Pipeline Louisiana Connector is a natural gas pipeline in Louisiana and Texas. Construction began in 2024.[1]

Port Arthur Pipeline Louisiana Connector
Also calledLouisiana Connector[3], Port Arthur Pipeline, Louisiana Connector- Port Arthur Pipeline[4], Planned Louisiana Connector Project[5]
General information
Project typeNew build[2][6]
StatusIn service[2][7][8] or Under construction[2][sources disagree]
CommodityNatural gas[2][7]
OperatorSempra Infrastructure[2][5] or Port Arthur Pipeline LLC[2][5][sources disagree]
Operator
Owner and operator
Facility project
StatesLouisiana, Texas[2]
CountiesLouisiana: Beauregard, Calcasieu, Cameron
Texas: Jefferson, Orange[1]
Approved18 April 2019[4][10]
Construction startedNovember 2024[11]
In serviceJune 2026[7] or 1 June 2026[8][sources disagree]
FERC docketsCP18-7[4], CP23-513[3]
FERC pre-filing docketPF17-5[4]
Contractors
Technical information
Length72 mi[2] or 72.3 mi[10] or 77 mi[2][sources disagree]
Pipe size42"[2][10]
Wall thickness0.6, 0.72 and 0.864 in[11]
GradeX70[11]
Mill coatingExternal FBE 14-18 mils; some pipe adds 26-30 mils ARO or concrete; 3 mil internal[12]
Capacity2.0 Bcfd[1][2] or 2000 MMcf/d additional capacity (EIA)[2][sources disagree]
Costabout $1 billion (owner estimate, ENR)[2][13] or $1207 million (EIA estimate; no dollar year given)[2][sources disagree]
On ProvenHand
Hands listed0

Port Arthur Pipeline Louisiana Connector is a natural gas pipeline in Louisiana and Texas. Construction began in 2024.[1]

Contractorsedit

ContractorWorkPrime or subScope
Troy Construction[11]PrimeGeneral contractor, 72-mile 42-inch pipeline
Maxx HDD, LLC[11]HDD and boreUnder Troy ConstructionHDD subcontractor
Michels[11]HDD and boreUnder Troy ConstructionHDD subcontractor
HardRock Infrastructure Services[11]HDD and boreUnder Troy ConstructionHDD subcontractor
North Country Directional Drilling, LLC[11]HDD and boreUnder Troy ConstructionHDD subcontractor
The Trenchless Company[11]HDD and boreUnder Troy ConstructionDirect steerable pipe thrust (Kim Street crossing); Kim Street
Onward Resources[11]SurveyPipeline design and survey
HDR[11][14]Trenchless design, geotechnical engineering and construction consultantTrenchless crossings

Spreads

Spread
Spread 1[6][11][15][16]
Spread 2[11][15]

Crossings

FeatureMethodContractor
Clear Creek[17]HDD
Indian Bayou[17]HDD
Interstate 10[11]HDD
Kim Street[11][17]MicrotunnelThe Trenchless Company
Marsh Bayou[17]HDD
Sabine Lake[11]HDD
Sabine River Diversion Canal[17]HDD

Sources disagree

These sources give different values for the same fact. Each value is listed with the sources that give it.

FactValues given
Capacity
  • 2.0 Bcfd[1][2]
  • 2000 MMcf/d additional capacity (EIA)[2]
Cost
  • about $1 billion (owner estimate, ENR)[2][13]
  • $1207 million (EIA estimate; no dollar year given)[2]
In service
Length
Status
Operator

Crew on ProvenHand

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Referencesedit

  1. “Port Arthur Pipeline Louisiana Connector”. Sempra Infrastructure. Retrieved 3 October 2026.
  2. “U.S. natural gas pipeline projects (Natural Gas Pipeline Projects)”. U.S. Energy Information Administration. Retrieved 3 October 2026.
  3. “FERC eLibrary docket CP23-513”. Federal Energy Regulatory Commission. 14 July 2023. Retrieved 3 October 2026.
  4. “FERC: Approved Major Pipeline Projects (1997-Present)”. Federal Energy Regulatory Commission. Archived from the original on 1 July 2025. Retrieved 3 October 2026.
  5. “FERC eLibrary docket PF17-5”. Federal Energy Regulatory Commission. 24 February 2017. Retrieved 3 October 2026.
  6. “Implementation Plan No. 6 (contractor yard variance requests), Louisiana Connector Project (CP18-7 et al.)”. Port Arthur Pipeline, LLC (filed with FERC). 4 October 2024. Retrieved 3 October 2026.
  7. “Sempra Infrastructure Announces In-Service of Port Arthur Pipeline Louisiana Connector”. Sempra Infrastructure. 9 June 2026. Retrieved 3 October 2026.
  8. “Affirmative Statement of Compliance, Louisiana Connector Project (CP18-7 et al.)”. Port Arthur Pipeline, LLC (filed with FERC). 24 June 2026. Retrieved 4 October 2026.
  9. “FERC eLibrary docket CP18-7”. Federal Energy Regulatory Commission. 16 October 2017. Retrieved 3 October 2026.
  10. “Request to Place Facilities In-Service, Port Arthur Pipeline Louisiana Connector Project (CP18-7, CP20-21, CP23-513)”. Port Arthur Pipeline, LLC (filed with FERC). 28 April 2026. Retrieved 3 October 2026.
  11. “Inside Sempra’s 72-mile pipeline with 18 major trenchless crossings”. Underground Infrastructure (written by HDR staff). December 2025. Retrieved 3 October 2026.
  12. “Supplemental information to Implementation Plan No. 2 (alignment sheets), Louisiana Connector Project (CP18-7 et al.)”. Port Arthur Pipeline, LLC (filed with FERC). 6 September 2024. Retrieved 3 October 2026.
  13. “$1B Louisiana-to-Texas Gas Pipeline Reaches Finish”. Engineering News-Record. 2 July 2026. Retrieved 3 October 2026.
  14. “Port Arthur Pipeline Louisiana Connector (project portfolio)”. HDR. Retrieved 3 October 2026.
  15. “Weekly Status Report No. 30, Louisiana Connector Project (CP18-7, CP20-21, CP23-513)”. Port Arthur Pipeline, LLC (filed with FERC). 13 June 2025. Retrieved 3 October 2026.
  16. “Weekly Status Report No. 16, Louisiana Connector Project (CP18-7, CP20-21, CP23-513)”. Port Arthur Pipeline, LLC (filed with FERC). 4 March 2025. Retrieved 3 October 2026.
  17. “Environmental Assessment, Louisiana Connector Amendment Project (CP23-513)”. Federal Energy Regulatory Commission. 2 February 2024. Retrieved 3 October 2026.

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This page was last edited on 10:33, 4 October 2026 (UTC). Version 2.

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