Oborin was born on 15 August 1892 in the village of Kamenka in Tver Governorate to a working-class family. He graduated from the parish school in 1903 and became a textile worker. In October 1913, he was drafted into the Imperial Russian Army. He served as a Rjadovoy in the 1st Siberian Division. Oborin graduated from a training unit a year later and became a non-commissioned officer. He fought in World War I on the Western Front in a Siberian Howitzer Artillery Battalion as an artillery observer. He was wounded. Oborin's last rank in the Imperial Army was Junior Feuerwerker. In February 1917, Oborin was discharged from the army due to illness. In December, he became chief of intelligence of the 3rd Tver Revolutionary Partisan Group. Oborin joined the Red Army in June 1918, fighting in the Russian Civil War. He fought on the Eastern Front and the Southern Front. Oborin became a gun commander of the 1st Light Artillery Battery at the headquarters of the 3rd Army's special units. From April 1919, he served in the 30th Rifle Division as a battery starshina, platoon commander, and finally assistant battery commander in the howitzer artillery battalion. In May 1919, he joined the Communist Party of the Soviet Union. From October 1920, Oborin served with the 4th Army fighting against the White Army in Crimea.
Interwar
Between 1921 and 1922 Oborin was a battery commander in the 30th Rifle Division. He became a reservist in December 1922 and returned to active duty in March 1923, continuing as a battery commander in the 30th Artillery Regiment. Oborin graduated from the artillery officers' refresher courses in 1926 and became head of the regimental school from January 1927. In November, he became a battalion commander in the 30th Artillery Regiment. In September 1930, Oborin became assistant to the commander of the 123rd Howitzer Artillery Regiment. From September 1931, Oborin was chief of artillery of the 2nd Mechanized Brigade. In November 1933, he became the commander and commissar of the 73rd Artillery Regiment. Oborin again graduated from the artillery officers' refresher courses in 1934 and in March became head of the course. In April 1936, Oborin became commander of the 11th Rifle Division's artillery regiment. In February 1938, he became head of the divisional artillery.
In December 1939, Oborin became head of the 19thRifle Corps artillery. He fought in the Winter War. Corps commander Makar Teryokhin recommended him for promotion to Kombrig, stating that the artillery under Oborin's leadership had "played a decisive role in breaking through the Mannerheim Line". In 1940, Oborin was awarded the Order of the Red Banner. In May 1940, Oborin became commander of the 136th Rifle Division. On 4 June 1940, he was promoted to Major General. In March 1941 he took command of the 14th Mechanized Corps. As part of the 4th Army, the corps was involved in the Battle of Białystok–Minsk after the German invasion of the Soviet Union on 22 June 1941. The corps fought in counterattacks in the area of Brest and Kobryn, in which it suffered heavy losses. He was wounded on 25 June and flew back to Moscow for treatment. On 8 July, Oborin was arrested on charges of desertion. He was also blamed for the losses of the corps during the fighting. On 13 August, he was sentenced to death. Oborin was executed on 16 October at the Kommunarka shooting ground. On 11 January 1957, Oborin was posthumously rehabilitated.
