The overall ratings of 34 Oil Gas & Consumable Fuels stocks are down on Portfolio Grader this week. Each of these rates a “D” (“sell”) or “F” overall (“strong sell”).

Chevron Corporation (CVX) gets weaker ratings this week as last week’s C drops to a D. Chevron Corporation is an integrated energy company with operations in countries located around the world. The company also gets F’s in sales growth, earnings growth, earnings revisions, earnings surprise, and earnings momentum. For more information, get Portfolio Grader’s complete analysis of CVX stock.

EOG Resources, Inc. (EOG) slips from a D to a F this week. EOG Resources, Inc. is in the business of the exploration, development, production, and marketing of natural gas and crude oil. The company also gets F’s in sales growth, operating margin growth, earnings growth, earnings revisions, earnings momentum, and return on equity. For more information, get Portfolio Grader’s complete analysis of EOG stock.

EQT Corporation’s (EQT) rating weakens this week, dropping to a F versus last week’s D. 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 sales growth, operating margin growth, earnings revisions, earnings surprise, earnings momentum, and free cash flow. For more information, get Portfolio Grader’s complete analysis of EQT stock.

This is a rough week for Royal Dutch Shell Plc Sponsored ADR Class B (RDS.B). The company’s rating falls to D from the previous week’s C. Royal Dutch Shell Plc Sponsored ADR Class B explores for, produces, and refines petroleum. The company also gets F’s in earnings revisions. For more information, get Portfolio Grader’s complete analysis of RDS.B stock.

Royal Dutch Shell Plc Sponsored ADR Class A (RDS.A) earns a D this week, moving down from last week’s grade of C. Royal Dutch Shell Plc Sponsored ADR Class A explores for, produces, and refines petroleum. The company also gets F’s in sales growth, operating margin growth, earnings revisions, and earnings momentum. For more information, get Portfolio Grader’s complete analysis of RDS.A stock.

This week, TransCanada Corporation (TRP) drops from a C to a D rating. TransCanada Corporation develops and operates energy infrastructures, including natural gas pipelines. The company also gets F’s in operating margin growth, earnings growth, and earnings momentum. For more information, get Portfolio Grader’s complete analysis of TRP stock.

Energen Corporation (EGN) experiences a ratings drop this week, going from last week’s D to a F. Energen Corporation engages in the development, acquisition, exploration, and production of oil, natural gas, and natural gas liquids in the continental United States. The company also gets F’s in sales growth, operating margin growth, earnings growth, earnings surprise, earnings momentum, return on equity, and free cash flow. For more information, get Portfolio Grader’s complete analysis of EGN stock.

Marathon Petroleum Corporation (MPC) declines this week from a C to a D. Marathon Petroleum Corporation is a supplier of gasoline and distillates to resellers and consumers. The company also gets F’s in sales growth, earnings revisions, and earnings momentum. For more information, get Portfolio Grader’s complete analysis of MPC stock.

Slipping from a C to a D rating, Sasol Limited Sponsored ADR (SSL) takes a hit this week. Sasol Limited Sponsored ADR is an integrated energy and chemicals company with production facilities in South Africa, Europe, North America and Asia. The company also gets F’s in sales growth. For more information, get Portfolio Grader’s complete analysis of SSL stock.

This week, BP p.l.c. Sponsored ADR’s (BP) rating worsens to a F from the company’s D rating a week ago. BP p.l.c. Sponsored ADR is involved in the supply, trading, refining, manufacturing, marketing and transportation of crude oil, petroleum, and chemical products to wholesale and retail customers. The company also gets F’s in sales growth, operating margin growth, earnings revisions, earnings surprise, and free cash flow. For more information, get Portfolio Grader’s complete analysis of BP stock.

Dominion Midstream Partners LP (DM) is having a tough week. The company’s rating falls from a C to a D. Dominion Midstream Partners LP provides business information and professional services to the legal, financial, and real estate sectors in the United States. The company also gets F’s in free cash flow. For more information, get Portfolio Grader’s complete analysis of DM stock.

Slipping from a C to a D rating, DCP Midstream Partners, LP (DPM) takes a hit this week. DCP Midstream Partners, LP engages in gathering, compressing, treating, processing, transporting, storing, and selling natural gas in the United States. The company also gets F’s in sales growth, earnings surprise, and earnings momentum. For more information, get Portfolio Grader’s complete analysis of DPM stock.

Vermilion Energy Inc. (VET) earns a F this week, moving down from last week’s grade of D. Vermilion Energy Inc. exploits, acquires, develops, and produces oil and natural gas in Australia, Canada, France, Ireland, and the Netherlands. The company also gets F’s in sales growth, operating margin growth, earnings growth, earnings momentum, and return on equity. For more information, get Portfolio Grader’s complete analysis of VET stock.

CVR Energy, Inc. (CVI) slips from a D to a F this week. CVR Energy, Inc. engages in refining and marketing transportation fuels in the United States. The company also gets F’s in sales growth, earnings revisions, and earnings surprise. For more information, get Portfolio Grader’s complete analysis of CVI stock.

CrossAmerica Partners LP’s (CAPL) rating weakens this week, dropping to a D versus last week’s C. The company also gets F’s in sales growth, earnings revisions, and earnings surprise. For more information, get Portfolio Grader’s complete analysis of CAPL stock.

Cabot Oil & Gas Corporation (COG) gets weaker ratings this week as last week’s D drops to a F. Cabot Oil & Gas Corporation is an independent company that develops, explores, produces and markets natural gas, and transports, stores, and gathers it for resale. The company also gets F’s in sales growth, operating margin growth, earnings revisions, and earnings surprise. For more information, get Portfolio Grader’s complete analysis of COG stock.

Martin Midstream Partners L.P. (MMLP) experiences a ratings drop this week, going from last week’s D to a F. Martin Midstream Partners L.P. provides marine transportation, terminalling, distribution and logistical services for producers and suppliers of hydrocarbon products, specialty chemicals and other liquids. The company also gets F’s in sales growth, earnings revisions, and earnings surprise. For more information, get Portfolio Grader’s complete analysis of MMLP stock.

VTTI Energy Partners LP (VTTI) is having a tough week. The company’s rating falls from a C to a D. The company also gets F’s in earnings surprise. For more information, get Portfolio Grader’s complete analysis of VTTI stock.

Panhandle Oil and Gas Inc. Class A (PHX) declines this week from a C to a D. Panhandle Oil and Gas Inc. Class A explores for and develops oil and gas properties, and produces and sells oil and natural gas. The company also gets F’s in sales growth, operating margin growth, earnings growth, and earnings momentum. For more information, get Portfolio Grader’s complete analysis of PHX stock.

This is a rough week for Statoil ASA Sponsored ADR (STO). The company’s rating falls to D from the previous week’s C. Statoil ASA Sponsored ADR is involved in the development, production, transportation and marketing of crude oil, natural gas and extract natural gas liquids. The company also gets F’s in operating margin growth, earnings revisions, earnings surprise, return on equity, and free cash flow. For more information, get Portfolio Grader’s complete analysis of STO stock.

This week, Navigator Holdings Ltd.’s (NVGS) rating worsens to a D from the company’s C rating a week ago. For more information, get Portfolio Grader’s complete analysis of NVGS stock.

This week, NGL Energy Partners LP (NGL) drops from a D to a F rating. NGL Energy Partners LP owns and operates a vertically-integrated propane business. The company also gets F’s in sales growth, earnings revisions, earnings surprise, and free cash flow. For more information, get Portfolio Grader’s complete analysis of NGL stock.

Aegean Marine Petroleum Network Inc.’s (ANW) rating weakens this week, dropping to a F versus last week’s D. Aegean Marine Petroleum Network Inc. is a marine fuel logistics company engaged in supplying and marketing refined marine fuel and lubricants to ships in port and at sea. The company also gets F’s in sales growth. For more information, get Portfolio Grader’s complete analysis of ANW stock.

Frontline Ltd. (FRO) experiences a ratings drop this week, going from last week’s C to a D. Frontline Ltd. owns a fleet of very large crude carriers and Suezmax tankers that transport crude oil and oil products between ports. The company also gets F’s in earnings surprise. For more information, get Portfolio Grader’s complete analysis of FRO stock.

This week, Synergy Resources Corporation (SYRG) drops from a D to a F rating. Synergy Resources Corporation is engaged in oil and gas acquisitions, exploration, development and production activities, mainly in the area known as the Denver-Julesburg Basin. 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 SYRG stock.

Westmoreland Coal Company (WLB) slips from a D to a F this week. Westmoreland Coal Company mines coal, which is used to produce electric power, and owns power-generating plants. The company also gets F’s in earnings momentum and free cash flow. For more information, get Portfolio Grader’s complete analysis of WLB stock.

Evolution Petroleum Corporation (EPM) declines this week from a C to a D. Evolution Petroleum Corporation explores for and produces oil and gas. The company also gets F’s in sales growth, earnings revisions, and earnings surprise. For more information, get Portfolio Grader’s complete analysis of EPM stock.

This is a rough week for Advantage Oil & Gas Ltd. (AAV). The company’s rating falls to D from the previous week’s C. Advantage Oil & Gas Ltd. is actively engaged in the business of oil and gas exploitation, development, acquisition and production. The company also gets F’s in sales growth, earnings revisions, and earnings momentum. For more information, get Portfolio Grader’s complete analysis of AAV stock.

Blueknight Energy Partners, L.P. (BKEP) earns a F this week, moving down from last week’s grade of D. Blueknight Energy Partners, L.P. provides integrated terminalling, storage, processing, gathering, and transportation services for companies engaged in the production, distribution, and marketing of crude oil and asphalt products in the United States. The company also gets F’s in operating margin growth, earnings growth, earnings revisions, earnings momentum, and free cash flow. For more information, get Portfolio Grader’s complete analysis of BKEP stock.

Slipping from a C to a D rating, EP Energy Corp. Class A (EPE) takes a hit this week. 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 EPE stock.

Gran Tierra Energy Inc. (GTE) gets weaker ratings this week as last week’s C drops to a D. Gran Tierra Energy Inc. is an international oil and gas exploration and production company. The company also gets F’s in sales growth, earnings revisions, return on equity, and free cash flow. For more information, get Portfolio Grader’s complete analysis of GTE stock.

Uranium Resources, Inc. (URRE) is having a tough week. The company’s rating falls from a D to a F. Uranium Resources, Inc. is engaged in the business of acquiring, exploring, developing and mining uranium properties. The company also gets F’s in earnings momentum, return on equity, and free cash flow. For more information, get Portfolio Grader’s complete analysis of URRE stock.

This week, Eclipse Resources Corp.’s (ECR) rating worsens to a D from the company’s C rating a week ago. The company also gets F’s in earnings momentum, return on equity, and free cash flow. For more information, get Portfolio Grader’s complete analysis of ECR stock.

Halcon Resources Corporation (HK) declines this week from a D to a F. Halcon Resources Corporation an independent energy company, engages in the acquisition, production, exploration, and development of onshore oil and natural gas properties in 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 HK 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.