The Roman-Secuieni gas field is a

natural gas field A petroleum reservoir or oil and gas reservoir is a subsurface accumulation of hydrocarbons contained in porous or fractured rock formations. Such reservoirs form when kerogen (ancient plant matter) is created in surrounding rock by the prese ...

in Secuieni,

Neamț County Neamț County () is a county ( județ) of Romania, in the historic region of Moldavia, with the county seat at Piatra Neamț. The county takes its name from the Neamț River. Demographics Population In 2011, it had a population of 470,766 ...

Romania Romania is a country located at the crossroads of Central Europe, Central, Eastern Europe, Eastern and Southeast Europe. It borders Ukraine to the north and east, Hungary to the west, Serbia to the southwest, Bulgaria to the south, Moldova to ...

lying of

Roman Roman or Romans most often refers to: *Rome, the capital city of Italy *Ancient Rome, Roman civilization from 8th century BC to 5th century AD *Roman people, the people of Roman civilization *Epistle to the Romans, shortened to Romans, a letter w ...

and from

Bacău Bacău ( ; , ; ; ) is the main city in Bacău County, Romania. With a population of 136,087 (as of 2021 census), Bacău is the 14th largest city in Romania. The city is situated in the historical region of Moldavia, at the foothills of the ...

. It was discovered in 1992 and developed by

Romgaz Societatea Națională de Gaze Naturale Romgaz SA Mediaș (SNGN Romgaz SA) or simply Romgaz is the largest natural gas producer in Romania and one of the largest producers in Eastern Europe. The company is the country's main supplier and responsib ...

. It began production in September 1995 and produces

natural gas Natural gas (also fossil gas, methane gas, and gas) is a naturally occurring compound of gaseous hydrocarbons, primarily methane (95%), small amounts of higher alkanes, and traces of carbon dioxide and nitrogen, hydrogen sulfide and helium ...

and condensates. The total

proven reserves Proven reserves (also called measured reserves, 1P, and reserves) is a measure of fossil fuel energy reserves, such as oil and gas reserves and coal reserves. It is defined as the "quantity of energy sources estimated with reasonable certaint ...

of the Roman-Secueni gas field are around 850 billion cubic feet (24 km³), and production is slated to increase from 60 million cubic feet/day (1.68×10⁵m³) in 2007 to 84 million cubic feet/day (2.4×10⁵m³) in 2010. The Roman-Secuieni gas field is one of the largest in Romania. With proven reserves of in 2018, it ranked third after the gas fields at Deleni () and Filitelnic (). Roman-Secuieni is also the most important gas field from the Moldavian Platform. The

Sarmatian The Sarmatians (; ; Latin: ) were a large confederation of Ancient Iranian peoples, ancient Iranian Eurasian nomads, equestrian nomadic peoples who dominated the Pontic–Caspian steppe, Pontic steppe from about the 5th century BCE to the 4t ...

sandstone reservoirs from that region are exclusively gas-bearing (more than 98%

methane Methane ( , ) is a chemical compound with the chemical formula (one carbon atom bonded to four hydrogen atoms). It is a group-14 hydride, the simplest alkane, and the main constituent of natural gas. The abundance of methane on Earth makes ...

), the most significant fields being those at Roman-Secuieni, Valea Seacă,

, and Mărgineni. These gas deposits are hosted in combination traps, with a marked

lithological The lithology of a rock unit is a description of its physical characteristics visible at outcrop, in hand or core samples, or with low magnification microscopy. Physical characteristics include colour, texture, grain size, and composition. Lith ...

character due to frequent vertical and lateral facies variations. At Roman-Secuieni, the gas accumulates in

detrital Detritus (; adj. ''detrital'' ) is particles of rock derived from pre-existing rock through weathering and erosion.Essentials of Geology, 3rd Ed, Stephen Marshak, p G-7 A fragment of detritus is called a clast.Essentials of Geology, 3rd Ed, Stephen ...

, lens-shaped bodies, grouped into 12 complexes; the deposit is divided into tectonic blocks by sub-vertical faults.

References

Natural gas fields in Romania {{Romania-geo-stub

See also

References