The grades of 31 Oil Gas & Consumable Fuels stocks are better this week, according to the Portfolio Grader database. Every one of these stocks has an “A” (“strong buy”) or “B” overall (“buy”) rating.

EQT Midstream Partners LP (EQM) gets a higher grade this week, advancing from a C last week to a B. EQT Midstream Partners LP provides natural gas transmission, storage, and gathering services in Pennsylvania and West Virginia. The company also gets A’s in return on equity. For more information, get Portfolio Grader’s complete analysis of EQM stock.

Magellan Midstream Partners, L.P. (MMP) boosts its rating from a C to a B this week. Magellan Midstream Partners, L.P. is primarily involved in the storage, transportation, and distribution of refined petroleum products and ammonia. The company also gets A’s in return on equity. For more information, get Portfolio Grader’s complete analysis of MMP stock.

Western Gas Partners, LP (WES) earns a B this week, jumping up from last week’s grade of C. Western Gas Partners, LP operates, acquires, and develops midstream energy assets in east, west, and south Texas; the Rocky Mountains; and the Mid-Continent. The company also gets A’s in operating margin growth, earnings revisions, and earnings momentum. For more information, get Portfolio Grader’s complete analysis of WES stock.

TC PipeLines, LP (TCP) shows solid improvement this week. The company’s rating rises from a C to a B. TC PipeLines, LP acquires, owns and participates in the management of energy infrastructure businesses in North America. The company also gets A’s in earnings momentum and return on equity. For more information, get Portfolio Grader’s complete analysis of TCP stock.

This week, Pembina Pipeline Corporation (PBA) pushes up from a C to a B rating. Pembina Pipeline Corporation transports, stores, and markets petroleum products. The company also gets A’s in operating margin growth and earnings growth. For more information, get Portfolio Grader’s complete analysis of PBA stock.

Antero Midstream Partners LP’s (AM) ratings are looking better this week, moving up to a A from last week’s B. Antero Midstream Partners LP designs, manufactures, and sells greeting cards and other related products. The company also gets A’s in sales growth, earnings growth, earnings revisions, and return on equity. For more information, get Portfolio Grader’s complete analysis of AM stock.

Antero Resources Corporation (AR) is seeing ratings go up from a C last week to a B this week. The company also gets A’s in earnings surprise. For more information, get Portfolio Grader’s complete analysis of AR stock.

This week, Alliance Resource Partners, L.P.’s (ARLP) ratings are up from a C last week to a B. Alliance Resource Partners, L.P. produces and markets coal, primarily to major United States utilities and industrial users. The company also gets A’s in earnings revisions, earnings surprise, earnings momentum, and free cash flow. For more information, get Portfolio Grader’s complete analysis of ARLP stock.

This is a strong week for Summit Midstream Partners LP (SMLP). The company’s rating climbs to B from the previous week’s C. For more information, get Portfolio Grader’s complete analysis of SMLP stock.

The rating of NGL Energy Partners LP (NGL) moves up this week, rising from a C to a B. NGL Energy Partners LP owns and operates a vertically-integrated propane business. The company also gets A’s in earnings revisions and earnings momentum. For more information, get Portfolio Grader’s complete analysis of NGL stock.

Cross Timbers Royalty Trust (CRT) improves from a C to a B rating this week. Cross Timbers Royalty Trust is an express trust in the United States. The company also gets A’s in return on equity and free cash flow. For more information, get Portfolio Grader’s complete analysis of CRT stock.

The rating of GasLog Ltd. (GLOG) moves up this week, rising from a C to a B. GasLog Ltd. operates and manages liquefied natural gas (LNG) carriers. The company also gets A’s in earnings surprise. For more information, get Portfolio Grader’s complete analysis of GLOG stock.

This is a strong week for Columbia Pipeline Partners LP (CPPL). The company’s rating climbs to B from the previous week’s C. For more information, get Portfolio Grader’s complete analysis of CPPL stock.

Enable Midstream Partners LP (ENBL) boosts its rating from a C to a B this week. The company also gets A’s in earnings momentum. For more information, get Portfolio Grader’s complete analysis of ENBL stock.

Emerge Energy Services LP (EMES) earns a B this week, jumping up from last week’s grade of C. For more information, get Portfolio Grader’s complete analysis of EMES stock.

This week, Callon Petroleum Company’s (CPE) ratings are up from a B last week to a A. Callon Petroleum Company engages in the acquisition, exploration, development, and production of crude oil and natural gas properties. The company also gets A’s in earnings revisions, earnings surprise, and earnings momentum. For more information, get Portfolio Grader’s complete analysis of CPE stock.

Laredo Petroleum, Inc.’s (LPI) ratings are looking better this week, moving up to a B from last week’s C. 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 A’s in earnings revisions, earnings surprise, and earnings momentum. For more information, get Portfolio Grader’s complete analysis of LPI stock.

WPX Energy, Inc. Class A (WPX) improves from a C to a B rating this week. WPX Energy, Inc. Class A is an independent natural gas and oil exploration and production company which is engaged in the exploitation and development of long-life unconventional properties. For more information, get Portfolio Grader’s complete analysis of WPX stock.

Mesa Royalty Trust (MTR) gets a higher grade this week, advancing from a C last week to a B. Mesa Royalty Trust holds royalty interests in oil and gas properties in the United States. The company also gets A’s in return on equity. For more information, get Portfolio Grader’s complete analysis of MTR stock.

Encana Corporation (ECA) shows solid improvement this week. The company’s rating rises from a C to a B. Encana Corporation provides energy transportation, distribution, and related services in North America and internationally. The company also gets A’s in earnings revisions and earnings momentum. For more information, get Portfolio Grader’s complete analysis of ECA stock.

This week, Westmoreland Coal Company (WLB) pushes up from a D to a B rating. Westmoreland Coal Company mines coal, which is used to produce electric power, and owns power-generating plants. The company also gets A’s in earnings revisions and earnings momentum. For more information, get Portfolio Grader’s complete analysis of WLB stock.

Hallador Energy Company (HNRG) is seeing ratings go up from a C last week to a B this week. Hallador Energy Company processes, mines and sells coal to producers of electric power. The company also gets A’s in free cash flow. For more information, get Portfolio Grader’s complete analysis of HNRG stock.

Sanchez Energy Corporation (SN) boosts its rating from a C to a B this week. Sanchez Energy Corporation is an independent exploration and production company focused on the exploration, acquisition and development of unconventional oil and natural gas resources. The company also gets A’s in earnings revisions and earnings momentum. For more information, get Portfolio Grader’s complete analysis of SN stock.

Evolution Petroleum Corporation (EPM) shows solid improvement this week. The company’s rating rises from a C to a B. Evolution Petroleum Corporation explores for and produces oil and gas. The company also gets A’s in operating margin growth, earnings growth, and earnings momentum. For more information, get Portfolio Grader’s complete analysis of EPM stock.

This week, Enerplus Corporation (ERF) pushes up from a C to a B rating. Enerplus Corporation is an oil and gas exploration and production company that owns a large, diversified portfolio of income-generating crude oil and natural gas properties. The company also gets A’s in earnings momentum. For more information, get Portfolio Grader’s complete analysis of ERF stock.

The rating of Advantage Oil & Gas Ltd. (AAV) moves up this week, rising from a C to a B. Advantage Oil & Gas Ltd. is actively engaged in the business of oil and gas exploitation, development, acquisition and production. For more information, get Portfolio Grader’s complete analysis of AAV stock.

This week, Pacific Ethanol, Inc.’s (PEIX) ratings are up from a C last week to a B. Pacific Ethanol, Inc. produces and markets low-carbon ethanol. The company also gets A’s in sales growth, earnings growth, and earnings momentum. For more information, get Portfolio Grader’s complete analysis of PEIX stock.

GeoPark Ltd (GPRK) gets a higher grade this week, advancing from a C last week to a B. The company also gets A’s in earnings revisions, earnings surprise, and earnings momentum. For more information, get Portfolio Grader’s complete analysis of GPRK stock.

Gran Tierra Energy Inc. (GTE) is seeing ratings go up from a C last week to a B this week. Gran Tierra Energy Inc. is an international oil and gas exploration and production company. For more information, get Portfolio Grader’s complete analysis of GTE stock.

This is a strong week for Mid-Con Energy Partners, LP (MCEP). The company’s rating climbs to B from the previous week’s C. Mid-Con Energy Partners, LP owns, operates, acquires, exploits and develops oil and natural gas properties in North America, with a focus on the Mid-Continent region of the United States. The company also gets A’s in earnings momentum. For more information, get Portfolio Grader’s complete analysis of MCEP stock.

Approach Resources Inc. (AREX) improves from a C to a B rating this week. Approach Resources Inc. focuses on natural gas and oil reserves in tight sands and shale. The company also gets A’s in earnings momentum. For more information, get Portfolio Grader’s complete analysis of AREX 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.