This week, 20 Oil Gas & Consumable Fuels stocks are worse, according to the Portfolio Graderdatabase. Each of these rates a “D” (“sell”) or “F” overall (“strong sell”).

This week, EQT Corporation’s (EQT) rating worsens to a F from the company’s D rating a week ago. EQT Corporation offers energy products, primarily natural gas and NGLs, and services to wholesale and retail customers in the United States. The company also gets F’s in earnings revisions and free cash flow. For more information, get Portfolio Grader’s complete analysis of EQT stock.

Apache Corporation’s (APA) rating weakens this week, dropping to a F versus last week’s D. Apache Corporation is an energy company that discovers, develops and produces natural gas, crude oil and natural gas liquids. The company also gets F’s in sales growth, operating margin growth, earnings surprise, earnings momentum, return on equity, and free cash flow. For more information, get Portfolio Grader’s complete analysis of APA stock.

World Fuel Services Corporation (INT) experiences a ratings drop this week, going from last week’s C to a D. World Fuel Services Corporation is engaged in the marketing and sale of marine, aviation and land fuel products and related services on a worldwide basis. The company also gets F’s in sales growth. For more information, get Portfolio Grader’s complete analysis of INT stock.

Williams Partners, L.P. (WPZ) gets weaker ratings this week as last week’s D drops to a F. Williams Partners, L.P. is engaged in the business of gathering, transporting, processing and treating natural gas, as well as fractionating and storing natural gas liquids. The company also gets F’s in earnings growth, earnings surprise, and free cash flow. For more information, get Portfolio Grader’s complete analysis of WPZ stock.

Sabine Royalty Trust (SBR) declines this week from a C to a D. Sabine Royalty Trust is an express trust that receives a distribution of royalty and mineral interests from certain oil and gas properties located in Florida, Louisiana, Mississippi, New Mexico, Oklahoma and Texas. The company also gets F’s in sales growth. For more information, get Portfolio Grader’s complete analysis of SBR stock.

This is a rough week for Delek US Holdings, Inc. (DK). The company’s rating falls to D from the previous week’s C. Delek US Holdings, Inc. is an integrated energy company that engages in refining, marketing, supplying, and retailing petroleum products. The company also gets F’s in sales growth, earnings revisions, and earnings momentum. For more information, get Portfolio Grader’s complete analysis of DK stock.

Slipping from a C to a D rating, VTTI Energy Partners LP (VTTI) takes a hit this week. The company also gets F’s in operating margin growth and earnings surprise. For more information, get Portfolio Grader’s complete analysis of VTTI stock.

Alliance Holdings GP, L.P. (AHGP) is having a tough week. The company’s rating falls from a D to a F. Alliance Holdings GP, L.P. produces and markets coal to utilities and industrial users in the United States. For more information, get Portfolio Grader’s complete analysis of AHGP stock.

Calumet Specialty Products Partners, L.P. (CLMT) earns a D this week, moving down from last week’s grade of C. Calumet Specialty Products Partners, L.P. produces hydrocarbon products in North America. The company also gets F’s in sales growth, earnings growth, earnings revisions, earnings surprise, and free cash flow. For more information, get Portfolio Grader’s complete analysis of CLMT stock.

Cheniere Energy Partners LP Holdings, LLC (CQH) slips from a C to a D this week. For more information, get Portfolio Grader’s complete analysis of CQH stock.

This week, Viper Energy Partners LP (VNOM) drops from a C to a D rating. The company also gets F’s in sales growth. For more information, get Portfolio Grader’s complete analysis of VNOM stock.

KNOT Offshore Partners LP (KNOP) earns a D this week, moving down from last week’s grade of C. For more information, get Portfolio Grader’s complete analysis of KNOP stock.

Dynagas LNG Partners LP (DLNG) experiences a ratings drop this week, going from last week’s C to a D. For more information, get Portfolio Grader’s complete analysis of DLNG stock.

Enable Midstream Partners LP (ENBL) declines this week from a D to a F. The company also gets F’s in sales growth, operating margin growth, earnings growth, earnings revisions, earnings momentum, and free cash flow. For more information, get Portfolio Grader’s complete analysis of ENBL stock.

This week, Laredo Petroleum, Inc. (LPI) drops from a C to a D rating. Laredo Petroleum, Inc. is an independent energy company which engages in exploration, development and acquisition of oil and natural gas properties in the Permian and Mid-Continent regions of the United States. The company also gets F’s in sales growth, operating margin growth, earnings growth, earnings momentum, return on equity, and free cash flow. For more information, get Portfolio Grader’s complete analysis of LPI stock.

Permian Basin Royalty Trust (PBT) slips from a D to a F this week. Permian Basin Royalty Trust is the owner of overriding royalty rights in mineral properties in the United States. The company also gets F’s in sales growth. For more information, get Portfolio Grader’s complete analysis of PBT stock.

Jones Energy, Inc. Class A (JONE) is having a tough week. The company’s rating falls from a D to a F. The company also gets F’s in sales growth, earnings revisions, earnings momentum, and free cash flow. For more information, get Portfolio Grader’s complete analysis of JONE stock.

Slipping from a C to a D rating, Overseas Shipholding Group Inc Class B (OSGB) takes a hit this week. The company also gets F’s in earnings revisions, earnings surprise, and earnings momentum. For more information, get Portfolio Grader’s complete analysis of OSGB stock.

This is a rough week for TransGlobe Energy Corporation (TGA). The company’s rating falls to F from the previous week’s D. TransGlobe Energy Corporation is mainly engaged in the exploration for, and the development and production of, oil and gas in Egypt and Yemen. The company also gets F’s in sales growth, operating margin growth, earnings growth, earnings revisions, earnings momentum, return on equity, and free cash flow. For more information, get Portfolio Grader’s complete analysis of TGA stock.

This week, Pacific Coast Oil Trust’s (ROYT) rating worsens to a F from the company’s D rating a week ago. Pacific Coast Oil Trust owns net profit interests in producing and non-producing oil properties onshore in the Santa Maria Basin and Los Angeles Basin in California. The company also gets F’s in earnings revisions. For more information, get Portfolio Grader’s complete analysis of ROYT stock.

Louis Navellier’s proprietary Portfolio Grader stock ranking system assesses roughly 5,000 companies every week based on a number of fundamental and quantitative measures. Stocks are given a letter grade based on their results — with A being “strong buy,” and F being “strong sell.” Explore the tool here.