| Description | 1
Day Price Change % | Market Cap  | P/E | ROE % | Div. Yield % | Long-Term
Debt to Equity | Price to Book Value | Net Profit Margin % (mrq) | Price to Free Cash Flow (mrq) |
|---|---|---|---|---|---|---|---|---|---|
| Sector: Basic Materials | -4.17 | 6984.8B | 17.19 | 20.54 | 5.24 | 0.54 | 3.79 | 11.49 | 148.55 |
| Industry: Oil & Gas Drilling & Exploration (More Info) | -8.10 | 992.6B | 18.90 | 21.60 | 2.18 | 0.52 | 3.95 | 12.90 | -92.30 |
| Companies | |||||||||
| Ecopetrol SA (EC) | -8.81 | 728.5B | 246.57 | 21.74 | NA | NA | NA | NA | NA |
| Petroleo Brasileiro (PBR) | -5.40 | 114.5B | 12.60 | 22.19 | 0.30 | 0.31 | 2.04 | 16.10 | -77.42 |
| StatoilHydro ASA (STO) | -2.33 | 57.3B | 6.64 | 36.93 | 3.70 | 0.28 | 2.04 | 11.00 | 19.59 |
| Transocean, Inc. (RIG) | -11.10 | 22.0B | 4.42 | 38.54 | 0.00 | 1.02 | 1.47 | 35.69 | 48.30 |
| Diamond Offshore Drilling Inc. (DO) | -10.19 | 9.3B | 8.62 | 36.43 | 0.70 | 0.16 | 2.89 | 43.62 | 35.90 |
| Noble Corp. (NE) | -11.35 | 6.8B | 4.75 | 33.49 | 0.60 | 0.15 | 1.40 | 46.22 | 60.43 |
| Ensco International Inc. (ESV) | -12.19 | 4.8B | 4.47 | 27.79 | 0.30 | 0.07 | 1.13 | 46.57 | -22.02 |
| Nabors Industries Ltd. (NBR) | -13.42 | 3.9B | 4.65 | 18.61 | NA | 0.89 | 0.80 | 15.16 | -38.91 |
| Enerplus Resources Fund (ERF) | -4.98 | 3.7B | 9.16 | 12.72 | 22.10 | 0.26 | 1.14 | 18.59 | 25.50 |
| Continental Resources Inc. (CLR) | -9.35 | 3.4B | 10.59 | 47.72 | NA | 0.26 | 4.03 | 41.50 | -223.98 |
| Pride International Inc. (PDE) | -17.07 | 2.6B | 2.71 | 15.30 | NA | 0.19 | 0.64 | 33.50 | -43.04 |
| Helmerich & Payne Inc. (HP) | -16.37 | 2.5B | 5.66 | 23.46 | 0.80 | 0.21 | 1.17 | 23.99 | -99.09 |
| CNX Gas Corporation (CXG) | -2.48 | 2.3B | 13.22 | 18.05 | NA | 0.11 | 2.34 | 31.32 | 59.44 |
| Pengrowth Energy Trust (PGH) | -8.66 | 2.1B | NA | -0.67 | 31.40 | 0.58 | 1.09 | -27.22 | 29.81 |
| SandRidge Energy, Inc. (SD) | -3.12 | 2.0B | NA | -2.36 | NA | 0.84 | 0.91 | -5.38 | -5.32 |
| Rowan Companies Inc. (RDC) | -10.45 | 1.9B | 3.84 | 20.96 | 2.40 | 0.17 | 0.73 | 20.54 | -13.96 |
| Patterson-UTI Energy Inc. (PTEN) | -13.39 | 1.7B | 5.02 | 17.73 | 5.50 | NA | 0.84 | 15.47 | -118.50 |
| Whiting Petroleum Corp. (WLL) | -3.31 | 1.5B | 6.55 | 16.75 | NA | 0.70 | 0.97 | 20.60 | -4.10 |
| Unit Corp. (UNT) | -3.59 | 1.5B | 4.71 | 21.52 | NA | 0.07 | 0.93 | 25.43 | 84.45 |
| Atwood Oceanics Inc. (ATW) | -11.16 | 1.4B | 7.42 | 29.44 | NA | 0.22 | 1.88 | 42.71 | -50.98 |
| Concho Resources, Inc. (CXO) | -8.69 | 1.4B | 55.81 | 3.30 | NA | 0.40 | 1.64 | -10.50 | -54.17 |
| W&T Offshore Inc. (WTI) | -4.66 | 1.2B | 4.10 | 24.33 | 0.70 | 0.48 | 0.90 | 29.20 | 9.22 |
| Atlas Energy Resources LLC (ATN) | -1.85 | 994.0M | 7.64 | 18.15 | 15.90 | 1.21 | 1.56 | 17.63 | 13.62 |
| Mariner Energy, Inc. (ME) | -15.99 | 942.7M | 3.46 | 20.03 | NA | 0.71 | 0.71 | 28.73 | 4.40 |
| Grey Wolf Inc. (GW) | -10.28 | 921.5M | 8.12 | 19.64 | NA | 0.38 | 1.27 | 14.90 | 55.40 |
| MarkWest Energy Partners LP (MWE) | -9.73 | 866.6M | NA | -18.37 | 16.50 | 1.09 | 0.96 | -63.91 | -6.74 |
| Arena Resources Inc. (ARD) | -5.46 | 859.8M | 12.81 | 19.50 | NA | NA | 2.04 | 39.89 | -88.25 |
| BPZ Resources, Inc. (BPZ) | 4.71 | 784.5M | NA | -19.89 | NA | 0.09 | 5.38 | -66.18 | -27.29 |
| Bill Barrett Corp. (BBG) | -2.81 | 780.5M | 11.55 | 9.04 | NA | 0.46 | 1.10 | 21.13 | 25.55 |
| Atlas America Inc. (ATLS) | 0.50 | 738.9M | 194.36 | 1.12 | 1.10 | 6.21 | 2.21 | -1.17 | 13.88 |
| Breitburn Energy Partners LP (BBEP) | -0.33 | 633.7M | NA | -71.08 | 17.30 | 1.00 | 0.91 | -203.87 | -5.74 |
| Key Energy Services Inc. (KEG) | -17.23 | 610.6M | 4.34 | 17.11 | NA | 0.64 | 0.69 | 8.77 | 17.44 |
| Hercules Offshore, Inc. (HERO) | -15.68 | 548.8M | 5.46 | 8.19 | NA | 0.59 | 0.27 | 6.07 | -3.24 |
| Encore Energy Partners LP (ENP) | 1.46 | 458.1M | NA | NA | 18.80 | 0.72 | 2.18 | -75.18 | -52.92 |
| NATCO Group Inc. (NTG) | -5.26 | 443.9M | 10.49 | 16.86 | NA | NA | 1.58 | 3.86 | -1065.21 |
| Atlas Pipeline Holdings LP (AHD) | -4.87 | 388.6M | NA | -387.15 | 14.50 | 35.68 | 10.64 | -14.42 | 5.22 |
| Parker Drilling Co. (PKD) | -18.85 | 385.0M | 3.67 | 19.59 | 0.00 | 0.66 | 0.66 | 10.43 | 19.50 |
| Crusader Energy Group Inc. (KRU) | 3.47 | 354.8M | NA | NA | NA | 0.32 | 0.87 | NA | -7.47 |
| Legacy Reserves Lp (LGCY) | -8.06 | 343.5M | NA | -161.31 | 18.80 | 3.59 | 5.97 | -263.91 | 71.88 |
| Pioneer Drilling Co. (PDC) | -7.02 | 336.1M | 5.90 | NA | NA | 0.56 | 0.67 | 12.53 | 64.02 |
| Venoco, Inc. (VQ) | -3.36 | 325.2M | NA | -222.88 | NA | 14.05 | 6.14 | -102.69 | 3.78 |
| Compton Petroleum Corp. (CMZ) | -11.91 | 317.7M | 6.15 | 7.58 | NA | 1.05 | 0.44 | -5.74 | -20.57 |
| Rex Energy Corp. (REXX) | -9.63 | 271.0M | NA | -49.48 | NA | NA | 1.16 | -134.91 | -16.61 |
| Gulf Island Fabrication Inc. (GIFI) | -5.31 | 254.7M | 5.77 | 19.03 | 2.20 | NA | 1.01 | 10.07 | 19.42 |
| Quicksilver Gas Services LP. (KGS) | -10.49 | 219.3M | 21.85 | 10.41 | 15.20 | 1.03 | 2.10 | 30.79 | -17.49 |
| Bronco Drilling Co. Inc. (BRNC) | -6.20 | 213.5M | 6.49 | 7.61 | NA | 0.19 | 0.47 | 6.21 | -48.18 |
| Approach Resources, Inc. (AREX) | 3.35 | 203.8M | 41.47 | 2.89 | NA | 0.04 | 1.00 | 3.84 | -4554.89 |
| FX Energy Inc. (FXEN) | 24.04 | 197.9M | NA | -34.39 | NA | NA | 4.81 | -28.64 | -38.05 |
| Hiland Holdings GP LP (HPGP) | -11.29 | 181.7M | 60.50 | 14.99 | 14.50 | 33.59 | 24.81 | -0.96 | 38.93 |
| EV Energy Partners LP (EVEP) | -14.16 | 170.8M | NA | -54.45 | 24.60 | 2.06 | 1.23 | -164.65 | 6.09 |
| Canadian Superior Energy Inc. (SNG) | -17.39 | 169.7M | NA | -7.73 | NA | 0.16 | 1.01 | -7.62 | -558.81 |
| Hiland Partners, LP (HLND) | -4.00 | 168.1M | NA | 3.64 | 19.20 | 2.12 | 1.51 | -2.17 | 35.16 |
| Union Drilling, Inc. (UDRL) | 14.66 | 163.6M | 8.80 | 9.33 | NA | 0.15 | 0.78 | 4.47 | -12.33 |
| Constellation Energy Partners (CEP) | -16.07 | 153.0M | 42.22 | 1.23 | 32.90 | 0.63 | 0.46 | -22.54 | 4.61 |
| Northern Oil and Gas, Inc. (NOG) | 4.88 | 146.3M | NA | NA | NA | 0.03 | 3.97 | 37.08 | -25.54 |
| Petroflow Energy Ltd. (PED) | -10.87 | 121.1M | NA | -100.86 | NA | 7.32 | 15.13 | -73.41 | -10.80 |
| Gastar Exploration Ltd. (GST) | -18.57 | 119.6M | NA | -21.28 | NA | 1.44 | 1.30 | 3.44 | -4.12 |
| Tri-Valley Corp. (TIV) | 6.88 | 117.5M | NA | -59.61 | NA | 0.20 | 8.82 | -154.63 | -73.35 |
| MV Oil Trust (MVO) | -17.07 | 114.0M | 4.01 | NA | 26.20 | NA | 2.56 | 97.56 | NA |
| GeoGlobal Resources Inc. (GGR) | 11.11 | 108.3M | NA | -8.87 | NA | NA | 1.57 | NA | -17.69 |
| Geomet, Inc. (GMET) | 3.17 | 102.1M | NA | -1.02 | NA | 0.47 | 0.48 | -15.20 | -58.95 |
| Cubic Energy Inc. (QBC) | -3.75 | 92.9M | NA | -70.00 | NA | 3.92 | 15.40 | NA | -31.48 |
| Vanguard Natural Resources, LL (VNR) | -0.40 | 84.0M | 6.25 | 261.70 | 23.80 | 6.91 | 5.66 | 24.77 | 4.69 |
| Enterra Energy Trust (ENT) | -3.85 | 76.9M | NA | -36.87 | NA | 1.14 | 0.43 | -36.72 | -14.25 |
| Cheniere Energy Inc. (LNG) | 27.27 | 71.0M | NA | NA | NA | NA | NA | NA | -0.24 |
| Challenger Energy Corp. (CHQ) | -9.09 | 64.6M | NA | -11.19 | NA | NA | 1.53 | NA | -16.72 |
| Hyperdynamics Corp. (HDY) | -5.88 | 59.8M | NA | -123.45 | NA | 0.26 | 8.57 | -181.22 | -33.99 |
| NGAS Resources Inc. (NGAS) | -13.73 | 58.3M | 28.95 | 2.11 | NA | 0.93 | 0.57 | 7.13 | -5.17 |
| Kodiak Oil & Gas Corp. (KOG) | -16.67 | 57.3M | NA | -35.77 | NA | NA | 0.87 | -96.67 | -6.88 |
| Cano Petroleum, Inc. (CFW) | 2.50 | 56.9M | NA | -14.24 | NA | 0.57 | 0.58 | -108.66 | -3.56 |
| Quest Energy Partners, L.P. (QELP) | -49.87 | 42.4M | NA | NA | NA | 1.78 | 0.53 | 40.58 | 0.86 |
| Teton Energy Corp. (TEC) | -1.04 | 41.7M | NA | -83.34 | NA | 1.89 | 1.27 | -296.69 | -1.07 |
| Dune Energy Inc. (DNE) | -6.67 | 38.5M | NA | -7.92 | NA | 2.14 | NA | -64.32 | NA |
| Tengasco Inc. (TGC) | -7.69 | 35.6M | 3.45 | 35.35 | NA | 0.14 | 1.00 | 30.71 | -43.81 |
| Sonterra Resources, Inc. (SOTR.OB) | -17.78 | 29.2M | NA | NA | NA | 1.13 | 10.99 | -22.09 | -22.28 |
| Petro Resources Corp. (PRC) | 16.42 | 28.6M | NA | -20.13 | NA | 0.31 | 0.77 | -36.74 | -9.41 |
| Transmeridian Exploration Inc. (TMY) | -4.55 | 24.6M | NA | -69.91 | NA | 5.61 | NA | -91.65 | -3.87 |
| South Texas Oil Co. (STXX) | 40.78 | 23.3M | NA | -55.70 | NA | 1.73 | 1.14 | -176.65 | 39.76 |
| Pinnacle Gas Resources, Inc. (PINN) | -22.22 | 20.4M | NA | -10.33 | NA | 0.05 | 0.17 | -51.16 | -10.28 |
| Quest Resource Corp. (QRCP) | -58.33 | 17.8M | NA | -86.75 | NA | NA | NA | 10.55 | 1.30 |
| Storm Cat Energy Corp. (SCU) | -16.67 | 12.2M | NA | -146.82 | NA | 482.44 | 50.00 | -71.65 | -2.95 |
| BPI Energy Holdings, Inc (BPG) | -16.67 | 11.0M | NA | -63.34 | NA | 0.51 | 0.49 | NA | -9.34 |
| Ring Energy, Inc. (RNGE.OB) | NA | 10.6M | NA | -11.67 | NA | NA | 7.32 | NA | -83.89 |
| Samson Oil & Gas Limited (SSN) | -7.00 | 9.7M | NA | -9.74 | NA | 0.39 | 0.45 | NA | NA |
| New Concept Energy, Inc. (GBR) | -30.43 | 7.7M | 0.37 | 144.84 | NA | NA | 0.39 | 2141.20 | 0.92 |
| Glen Rose Petroleum Corp. (GLRP) | -5.88 | 4.9M | NA | -179.25 | NA | NA | 1.55 | NA | -16.05 |
| JED Oil Inc. (JDO) | -22.22 | 1.8M | NA | -160.49 | NA | 4.40 | NA | -22.46 | 1.11 |
| Wentworth Energy, Inc. (WNWG.OB) | NA | NA | NA | -134.50 | NA | 2.86 | NA | 3921.66 | NA |
| Vortex Resources Corporation (VTEX.OB) | NA | NA | NA | -82.03 | NA | 0.22 | NA | NA | NA |
| Victory Energy Corporation (VYEY.OB) | NA | NA | NA | NA | NA | NA | NA | NA | NA |
| Universal Energy Corp. (UVSE.OB) | NA | NA | NA | NA | NA | NA | NA | 894.54 | NA |
| TX Holdings Inc. (TXHG.OB) | NA | NA | NA | NA | NA | NA | NA | NA | NA |
| True North Energy Corporation (TNEN.OB) | NA | NA | NA | -182.24 | NA | 2.60 | NA | -30.01 | NA |
| TOT Energy, Inc. (TOTY.OB) | NA | NA | NA | NA | NA | NA | NA | NA | NA |
| Torrent Energy Corp. (TRENQ.OB) | NA | NA | NA | -17.48 | NA | 0.02 | NA | NA | NA |
| Texhoma Energy, Inc. (TXHE.OB) | NA | NA | NA | NA | NA | NA | NA | -107.08 | NA |
| Surge Global Energy, Inc. (SRGG.OB) | NA | NA | NA | -35.08 | NA | NA | NA | NA | NA |
| Sun River Energy, Inc. (SNRV.OB) | NA | NA | NA | -941.31 | NA | NA | NA | NA | NA |
| Striker Oil & Gas, Inc. (SOIS.OB) | NA | NA | NA | -133.70 | NA | 0.47 | NA | NA | NA |
| Star Energy Corporation (SERG.OB) | NA | NA | NA | NA | NA | NA | NA | NA | NA |
| Southern Star Energy, Inc (SSEY.OB) | NA | NA | NA | -116.52 | NA | 0.37 | NA | -205.11 | NA |
| Siberian Energy Group, Inc. (SIBN.OB) | NA | NA | NA | -51.92 | NA | 0.13 | NA | NA | NA |
| Sentry Petroleum Ltd (SPLM.OB) | NA | NA | NA | -38.95 | NA | NA | NA | NA | NA |
| Royalite Petroleum Company, In (RYPEE.OB) | NA | NA | NA | -18.66 | NA | 0.01 | NA | NA | NA |
| Rock Energy Resources, Inc. (RCKE.OB) | NA | NA | NA | NA | NA | NA | NA | NA | NA |
| ReoStar Energy Corp. (REOS.OB) | NA | NA | NA | NA | NA | 0.65 | NA | 27.45 | NA |
| Platina Energy Group, Inc. (PLTG.OB) | NA | NA | NA | -1620.05 | NA | 3.93 | NA | NA | NA |
| Pioneer Southwest Energy Partn (PSE) | NA | NA | NA | NA | 10.40 | NA | NA | 64.16 | NA |
| Petrosearch Energy Corp. (PTSG.OB) | NA | NA | NA | 45.16 | NA | 0.40 | NA | 3387.17 | NA |
| Petrol Oil and Gas Inc. (POIG.OB) | NA | NA | NA | NA | NA | NA | NA | -40.17 | NA |
| PetroHunter Energy Corporation (PHUN.OB) | NA | NA | NA | -51.58 | NA | 0.46 | NA | NA | NA |
| Pegasi Energy Resources Corpor (PGSI.OB) | NA | NA | NA | NA | NA | 0.59 | NA | -62.31 | NA |
| Paxton Energy Inc. (PXTE.OB) | NA | NA | NA | -46.67 | NA | 0.17 | NA | NA | NA |
| Pantera Petroleum, Inc. (PTPE.OB) | NA | NA | NA | -200.60 | NA | 0.05 | NA | NA | NA |
| Pangea Petroleum Corp. (PAPO.OB) | NA | NA | NA | NA | NA | NA | NA | NA | NA |
| Pacific Asia Petroleum, Inc. (PFAP.OB) | NA | NA | NA | -19.77 | NA | NA | NA | NA | NA |
| Osage Exploration and Developm (OEDV.OB) | NA | NA | NA | -128.37 | NA | 0.24 | NA | -77.70 | NA |
| Omnimmune Holdings, | |||||||||