Article Nov. 26, 2018
Usan
Article Nov. 26, 2018
Production and handling
Usan began producing in February 2012 and is expected to reach a peak production of approximately 180KBD. Estimated proven and probable reserves are more than 500 million barrels.
Nigerian National Petroleum Corporation (NNPC) is the concession holder. Esso E&P Nigeria (Offshore East) Ltd. operates OML 138 (OPL 222) with a 30% interest. Its partners are Chevron Petroleum Nigeria Ltd. (30%), Total E&P Nigeria Ltd. (30%) and Nexen Petroleum Nigeria Ltd. (20%).
Load Port Data
Usan is loaded from the Usan FPSO (floating production, storage and offloading vessel). It is about 60 miles south off the coast of Nigeria in the Gulf of Guinea.
Characteristics
- Gravity 29.0
- Sulfur 0.27%
- Load port Usan FPSO
Disclaimer
The materials contained in this website are provided to you courtesy of ExxonMobil and are based on a range of data and information. While care has been taken in preparing the materials, ExxonMobil makes no representations, warranties or guarantees as to their accuracy, reliability, quality, correctness or completeness. Each user must make its own determination and judgment on applying any information in this assay. Any and all use of this information shall be the sole responsibility of the user, and the user releases ExxonMobil and its affiliates from any and all claims arising from its use and shall defend and hold ExxonMobil and its affiliates harmless from any third-party claims arising from the user's application or use of any part of the materials.
Related content

Crude oil blends by API gravity and by sulfur content
A library of ExxonMobil crude oil blends sorted by API gravity and by sulfur content.Crude oils Article • Sept. 3, 2021

Assays available for download
An alphabetically-organized list of downloadable crude oil assays.Crude oils Article • Sept. 3, 2021
Liza
Crude oils Article • June 18, 2020
Mostarda
Crude oils Article • Sept. 17, 2019
Kearl
Crude oils Article • Aug. 6, 2019