NEW YORK ( TheStreet) -- Petrohawk Energy ( HK), Atlas Pipeline Partners ( APL), Quicksilver Resources ( KWK) and El Paso ( EP) were top performers last week, while InterOil ( IOC) JX Holdings ( JXHLY) and China Oilfield Services ( CHOLY) lost substantial ground.

Petrohawk Energy and Atlas Pipeline Partners topped the charts gaining 8.5% and 7.6%, respectively. Quicksilver Resources advanced 4.1% on brokerage upgrade. Analyst Brian Corales of Howard Weil raised the stock's rating to market outperform. The stock's 12-month target price is $19 per share.

El Paso rose 3.2% during the week.

Tesoro ( TSO) piled 2.9% gains during the week on increase of initial public offering of its logistics partnership target to $302 million. Tesoro sold at least 12.5 million common units of Tesoro Logistics. In addition, if banks sell more than the target, they have the option to buy an additional 1.88 million shares at the initial offer price, valuing the units at around $21 per share.

Other movers include PAA Natural Gas Storage ( PNG), Aventine Renewable Energy Holdings ( AVRW), Holly ( HOC), Superior Energy Services ( SPN), Copano Energy ( CPNO) and Oil States International ( OIS), up 2.7%, 2.5%, 2.5%, 2.4%, 2.4% and 2.3%, respectively.

Patterson-UTI Energy ( PTEN) rose 2.1% after analyst Brian Uhlmer of Global Hunter Securities upgraded the stock to buy from accumulate. The stock's 12-month target price is $45 per share.

Other stocks like Kinder Morgan Energy Partners ( KMP), Niska Gas Storage Partners ( NKA), Oil Search ( OISHY), DCP Midstream Partners ( DPM), Frontier Oil ( FTO), Lufkin Industries ( LUFK), Enbridge ( ENB) and TransCanada ( TRP) posted gains of 1% to 2% during the week.

Interoil was the top loser, declining 11.5% after brokerage downgrades. Madison Williams cut the stock's rating to accumulate from buy. Analysts at Raymond James downgraded the stock to market perform from outperform.

Other underperformers were JKS Holding, China Oilfield Services, Cobalt International Energy ( CIE) and Denbury Resources ( DNR), erasing 9.9%, 9.6%, 8.9% and 8.8%, respectively.

Petroleum Geo-Services ( PGSVY) dipped 8.1% after announcing its first quarter EBITDA. The company announced that it expects to report first quarter EBITDA of $70 million, or a breakeven EBIT. The company projects revenue for the quarter at $240 million.

Among others, Canadian Natural Resources ( CNQ), Sasol ( SSL), Cimarex Energy ( XEC), SandRidge Energy ( SD) and Gran Tierra Energy ( GTE) eroded 8.1%, 8.1%, 8.1%, 8% and 7.8% in value, respectively.

Surgutneftegas ( SGTZY) edged 7.4% lower after the Russian government said it would increase oil export tax by 7.1% on most crude shipments. Russia may boost the product duties of heavy-oil and light-oil to $211.8 per tonne and $304, respectively. Russia is expected to raise the regular oil export duty to $453.7 per tonne in May.

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