Oil and gas production handbook An introduction to oil ... - ABB Group

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2 Facilities and processes The oil and gas industry facilities and systems are broadly defined, according to their use in the oil and gas industry production stream: Exploration Upstream Midstream Refining Includes prospecting, seismic and drilling activities that take place before the development of a field is finally decided. Typically refers to all facilities for production and stabilization of oil and gas. The reservoir and drilling community often uses upstream for the wellhead, well, completion and reservoir only, and downstream of the wellhead as production or processing. Exploration and upstream/production together is referred to as E&P. Broadly defined as gas treatment, LNG production and regasification plants, and oil and gas pipeline systems. Where oil and condensates are processed into marketable products with defined specifications such as gasoline, diesel or feedstock for the petrochemical industry. Refinery offsites such as tank storage and distribution terminals are included in this segment, or may be part of a separate distributions operation. Petrochemical These products are chemical products where the main feedstock is hydrocarbons. Examples are plastics, fertilizer and a wide range of industrial chemicals. 2.1 Exploration In the past, surface features such as tar seeps or gas pockmarks provided initial clues to the location of shallow hydrocarbon deposits. Today, a series of surveys, starting with broad geological mapping through increasingly advanced methods such as passive seismic, reflective seismic, magnetic and gravity surveys give data to sophisticated analysis tools that identify potential hydrocarbon bearing rock as “prospects.” Chart: Norwegian Petroleum Directorate (Barents Sea) 4
An offshore well typically costs $30 million, with most falling in the $10-$100 million range. Rig leases are typically $200,000 - $700,000 per day. The average US onshore well costs about $4 million, as many have much lower production capacity. Smaller companies exploring marginal onshore fields may drill a shallow well for as little as $100,000. This means that oil companies spend much time on analysis models of good exploration data, and will only drill when models give a good indication of source rock and probability of finding oil or gas. The first wells in a region are called wildcats because little may be known about potential dangers, such as the downhole pressures that will be encountered, and therefore require particular care and attention to safety equipment. If a find (strike, penetration) is made, additional reservoir characterization such as production testing, appraisal wells, etc., are needed to determine the size and production capacity of the reservoir in order to justify a development decision. 2.2 Production This illustration gives an overview of typical oil and gas production facilities: Figure 1. Oil and gas production facilities 5
Page 1 and 2: Håvard Devold Oil and gas producti
Page 3: PREFACE This handbook has been comp
Page 6 and 7: 4.1.1 Pipelines and risers ........
Page 8 and 9: 9.1.7 Biofuels ....................
Page 10 and 11: arrels per day in October, 1861, an
Page 14 and 15: Although there is a wide range of s
Page 16 and 17: day GOSP. Product is sent from the
Page 18 and 19: FPSO: Floating Production, Storage
Page 20 and 21: water depths from 300 up to 3,000 m
Page 22 and 23: For gas gathering systems, it is co
Page 24 and 25: 2.3.5 Utility systems Utility syste
Page 26 and 27: for the operation of the pipeline.
Page 28 and 29: Photo: DOW, Terneusen, Netherlands
Page 30 and 31: particular crude is merely a measur
Page 32 and 33: 3.1.3 Condensates While the ethane,
Page 34 and 35: each different parts of the structu
Page 36 and 37: around 4.5 MPa. During production,
Page 38 and 39: well from caving in and to help in
Page 40 and 41: well to add multiple completions to
Page 42 and 43: Variable flow choke valve. The vari
Page 44 and 45: motor drives a reciprocating beam,
Page 46 and 47: The cycle starts with the plunger f
Page 48: 4 The upstream oil and gas process
Page 51 and 52: The desired setting for each well a
Page 53 and 54: Emergency valves (EVs) are sectioni
Page 55 and 56: The environmental regulations in mo
Page 57 and 58: Heat exchangers of various forms ar
Page 59 and 60: • Reciprocating compressors, whic
Page 61 and 62: Figure 8. Compressor state diagram
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4.4 Oil and gas storage, metering a
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Gas metering is less accurate than
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5 Midstream facilities Raw natural
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o o Acid gas has a high content of
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5.3.1 Acid gas removal Acid gases s
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5.3.4 Nitrogen rejection Excessive
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5.4 Pipelines Pipeline installation
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pressure-reducing turbines (or brak
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LNG carriers are used when the tran
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Typical LNG train power use is abou
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The dual cycle mixed refrigerant (D
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6 Refining Up to the early 1970s, c
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3 and 4 and boiling points -42 °C
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Figure 20. Refinery process flow di
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Distillate hydrotreater units desul
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2 H 2 S + O 2 → S 2 + 2 H 2 O The
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7 Petrochemical Petrochemicals are
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products. Almost all aromatics come
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formed into molded products. Nylon
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chains with only two, three or four
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appliance housings, dishwasher-proo
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ubber is a vinyl polymer, and is ve
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terephthalic acid (PTA) as the pref
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• Field instrumentation: sensors
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• Optimization of various process
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to-end safety integrity level. The
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PSD and can be handled with less st
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P&ID 109
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system by means of the available co
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• Flowline control to stabilize m
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numerical or computed variables are
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training facilities are often conne
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Therefore use of large variable spe
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desalination of seawater though dis
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Polyelectrolyte Methanol (MEG) TEG
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· Mandatory radio system · Securi
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9 Unconventional and conventional r
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eleases bitumen from the oil sand,
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after well completion and fracturin
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gas - combined. However, research i
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9.1.8 Hydrogen Although not a hydro
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and gas, the remainder is coal, pea
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The main contribution to sea level
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10 Units Some common units used in
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11 Glossary of terms and acronyms A
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MEG MEK MMA MP MPA MPG / USP MSDS M
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12 References Web online sources an
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cumene ............................
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polybutadiene .....................
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